Purpose:
--------
Previously, the sidebar was rendered server side. The generated html
fragment was sent to the client which appended it into the DOM. This was
meant to be temporary since the owlification of the application, and had
several flaws (slow, lots of DOM manipulations, no reactivity).

This commit introduces a sidebar component that is fully autonomous
(other components do not have to force a full reload of the page to
update the sidebar).
It improves the performances (~0.7s vs >3s to load the home page with
+1500 articles in the sidebar), reduces the number of RPCs, remove the
need of DOM manipulations and allows for more customization.

This commit also introduces a "SortableList" hook, that removes the need
of the external Jquery library "NestedSortable", and allows for more
freedom concerning the drag&drop behaviour.

The revamped sidebar also comes with a few new features and fixes:

- The MoveArticleDialog (dialog shown when clicking on the "Move To"
button) does not ask for confirmation anymore when moving the article to
another category. We consider that the user knows what he is doing when
using this button, and he has a visual feedback of what happened since
the article which has been moved is the active one, and is therefore
highlighted in the sidebar. Moreover, clicking on the "move to" button,
clicking on the selection input, clicking on a category, clicking on the
"move article" button and clicking on "ok" on the confirmation dialog
was a long process to just move the current article. Moving an article
using drag&drop in the sidebar still asks for confirmation.

- When dragging an article in the sidebar, if the current drop position
is not allowed, the position hint is shown in red (for example if one
only has read access for the parent under which one tries to place the
article). This way, one does not need to drop it and receive an access
error to know that the position was not allowed.

- Articles in the sidebar can be sent to the trash by dragging them onto
the trash manager at the bottom of the sidebar. This makes it easier to
delete articles from the form view.

- The current article is now always shown when it is present in the
sidebar (previously, it was not always the case (when using the
"MoveArticleDialog" and moving the article under a folded parent).

- Resequencing favorites does not crash anymore if you lost access to
one of your favorite articles but did not reload the page to show the
change in the sidebar yet. Previously, if you did so, you tried to
change the sequence of a restricted article (which raised an access
error). Now, restricted articles are filtered out when resequencing
favorites.

- One cannot change from the sidebar the emoji of an article one just
locked (and inversely, one can change the emoji if one just unlocked the
article). Previously, you could (not) do it until the sidebar was
reloaded.

- The "Open the trash" button is now always visible. Previously, if you
had a lot of articles, you had to scroll to the bottom of the tree to be
able to open the trash.


These improvements are not available for the public view (from
website_knowledge), which still appends into the DOM the sidebar
fragment generated server side.

Task-3074123

When a user deletes the hr_salary_rule `House Rent Allowance` which is present in the `hr_payroll_account` module. while the user reloads the demo data of the `hr_payroll_acocunt` module at that time traceback will be generated in the log.

Steps to reproduce :
1. Install the `hr_payroll` module.
2. Open the payroll app.
3. Cancel all those pay_slips whose `House Rent Allowance` is in the pay_slip_line.
4. Delete all those pay_slips whose `House Rent Allowance` is in the pay_slip_line.
5. Select Configuration > Rules.
6. Delete the `House Rent Allowance` rule in the `hr_salary_rule` model.
7. Install the `hr_payroll_acocunt` module.
8. Install the `l10n_be` module.
9. Traceback will be generated in the log.

Traceback in sentry : 
```
NotNullViolation: null value in column "struct_id" of relation "hr_salary_rule" violates not-null constraint
DETAIL:  Failing row contains (30, null, 5, null, null, 2, 2, null, 1.0, none, contract.wage, fix, null, null, 
# Available variables:
#----------------------
# payslip: objec..., 
                    # Available variables:
                    ..., null, null, null, t, t, f, f, 2023-05-16 10:43:14.682949, 2023-05-16 10:43:14.682949, null, null, f).

  File "addons/account/models/chart_template.py", line 198, in _load
    self._load_data(self._get_demo_data(company))
  File "addons/account/models/chart_template.py", line 444, in _load_data
    created_vals[model] = self.with_context(lang='en_US').env[model]._load_records(create_vals)
  File "odoo/models.py", line 4467, in _load_records
    records = self._load_records_create([data['values'] for data in to_create])
  File "odoo/models.py", line 4389, in _load_records_create
    return self.create(values)
  File "<decorator-gen-348>", line 2, in create
  File "odoo/api.py", line 410, in _model_create_multi
    return create(self, arg)
  File "home/odoo/src/enterprise/saas-16.2/hr_payroll/models/hr_salary_rule.py", line 192, in create
    rules = super().create(vals_list)
  File "<decorator-gen-10>", line 2, in create
  File "odoo/api.py", line 410, in _model_create_multi
    return create(self, arg)
  File "odoo/models.py", line 4023, in create
    records = self._create(data_list)
  File "odoo/models.py", line 4226, in _create
    cr.execute(
  File "odoo/sql_db.py", line 311, in execute
    res = self._obj.execute(query, params)
```

Applying this commit will solve this issue.

sentry - 4186952560

Forward-Port-Of: odoo/enterprise#41481

When a user deletes the email template `appointment_booked_mail_template` which is present in the data file of the `Appointments` module. Then the user creates a new meeting in online appointments and saves it at that time traceback is generated on the user side and also in the log.

Steps to reproduce :
1. Install the appointment module.
2. Open settings > companies > Review All Templates.
3. Delete the `Appointment: Appointment Booked` email template.
4. Open the calendar app.
5. Open an online appointment and select any one appointment.
6. Click on the appointment state button.
7. Open the list view and create one meeting and save it.
8. Traceback generated.

Traceback on sentry : 
```
KeyError: ('ir.model.data', <function IrModelData._xmlid_lookup at 0x7f947a63ab90>, 'appointment.appointment_booked_mail_template')
  File "odoo/tools/cache.py", line 91, in lookup
    r = d[key]
  File "<decorator-gen-3>", line 2, in __getitem__
  File "odoo/tools/func.py", line 87, in locked
    return func(inst, *args, **kwargs)
  File "odoo/tools/lru.py", line 34, in __getitem__
    a = self.d[obj]
ValueError: External ID not found in the system: appointment.appointment_booked_mail_template
  File "odoo/http.py", line 2115, in __call__
    response = request._serve_db()
  File "odoo/http.py", line 1698, in _serve_db
    return service_model.retrying(self._serve_ir_http, self.env)
  File "odoo/service/model.py", line 134, in retrying
    result = func()
  File "odoo/http.py", line 1725, in _serve_ir_http
    response = self.dispatcher.dispatch(rule.endpoint, args)
  File "odoo/http.py", line 1838, in dispatch
    return self.request.registry['ir.http']._dispatch(endpoint)
  File "odoo/addons/base/models/ir_http.py", line 154, in _dispatch
    result = endpoint(**request.params)
  File "odoo/http.py", line 715, in route_wrapper
    result = endpoint(self, *args, **params_ok)
  File "home/odoo/src/enterprise/saas-16.2/appointment/controllers/appointment.py", line 565, in appointment_form_submit
    ).sudo().create(
  File "<decorator-gen-174>", line 2, in create
  File "odoo/api.py", line 409, in _model_create_multi
    return create(self, [arg])
  File "addons/calendar/models/calendar_event.py", line 470, in create
    events = super().create(other_vals)
  File "<decorator-gen-122>", line 2, in create
  File "odoo/api.py", line 410, in _model_create_multi
    return create(self, arg)
  File "addons/mail/models/mail_thread.py", line 299, in create
    thread._message_track_post_template(changes)
  File "addons/mail/models/mail_thread.py", line 644, in _message_track_post_template
    templates = self._track_template(changes)
  File "home/odoo/src/enterprise/saas-16.2/appointment/models/calendar_event.py", line 83, in _track_template
    booked_template = self.env.ref('appointment.appointment_booked_mail_template').sudo()
  File "odoo/api.py", line 566, in ref
    res_model, res_id = self['ir.model.data']._xmlid_to_res_model_res_id(
  File "odoo/addons/base/models/ir_model.py", line 1984, in _xmlid_to_res_model_res_id
    return self._xmlid_lookup(xmlid)[1:3]
  File "<decorator-gen-40>", line 2, in _xmlid_lookup
  File "odoo/tools/cache.py", line 96, in lookup
    value = d[key] = self.method(*args, **kwargs)
  File "odoo/addons/base/models/ir_model.py", line 1977, in _xmlid_lookup
    raise ValueError('External ID not found in the system: %s' % xmlid)
```

Applying this commit will fix this issue.

sentry - 4180359024

Forward-Port-Of: odoo/enterprise#42133
Forward-Port-Of: odoo/enterprise#41172

ValidationError 'You cannot delete a tax line as it would impact the tax report' ,this issue occurs when user add 'taxes' in entries of 'Automatic Transfer' and cron, 'Account automatic transfers : Perform transfers' runs it tries to delete records of account.move.line having 'taxes' value and thus this error is generated in backend.

Steps to reproduce:
1) Install 'account_auto_transfer' module.
2) Open 'Accounting' module..
3) click on 'Accounting' option>'Automatic Transfers'. 
4) Click on 'New' button to create new  'Automatic Transfer'. 
5) Give any name and select 'period' > in 'ORIGIN ACCOUNTS'  click on
   'Add a line' and select any code (ex: 101401 Bank).
6) In 'AUTOMATED TRANSFER', click on 'Add a line' and select
   'Destination Account',  select any destination account.
7) Now, click on 'Save' button> 'ACTIVATE' button > 'COMPUTE TRANSFER'. 
8) Click on 'Transfers' Stat button > and open record having amount in 'Total'. 
9) In 'Journal Items' page, select 'tax' for in line. 
10) Now, go to 'Scheduled Actions Triggers' and add
  'Account automatic transfers : Perform transfers'  cron in it and in 'call at'
  select current date and when this cron will be triggered, error will be
  generated in the backend.

```
ValidationError: Vous ne pouvez pas supprimer une ligne de taxe car cela aurait un impact sur la déclaration de TVA
  File "odoo/addons/base/models/ir_cron.py", line 373, in _callback
    self.env['ir.actions.server'].browse(server_action_id).run()
  File "odoo/addons/base/models/ir_actions.py", line 694, in run
    res = runner(run_self, eval_context=eval_context)
  File "odoo/addons/base/models/ir_actions.py", line 564, in _run_action_code_multi
    raise e.with_traceback(e.__traceback__) from None
  File "odoo/addons/base/models/ir_actions.py", line 559, in _run_action_code_multi
    safe_eval(self.code.strip(), eval_context, mode="exec", nocopy=True, filename=str(self))  # nocopy allows to return 'action'
  File "odoo/tools/safe_eval.py", line 362, in safe_eval
    return unsafe_eval(c, globals_dict, locals_dict)
  File "ir.actions.server(283,)", line 1, in <module>
  File "home/odoo/src/enterprise/saas-16.2/account_auto_transfer/models/transfer_model.py", line 115, in action_cron_auto_transfer
    self.search([('state', '=', 'in_progress')]).action_perform_auto_transfer()
  File "home/odoo/src/enterprise/saas-16.2/account_auto_transfer/models/transfer_model.py", line 130, in action_perform_auto_transfer
    record._create_or_update_move_for_period(start_date, next_move_date)
  File "home/odoo/src/enterprise/saas-16.2/account_auto_transfer/models/transfer_model.py", line 181, in _create_or_update_move_for_period
    current_move.line_ids.unlink()
  File "addons/account/models/account_move_line.py", line 1549, in unlink
    res = super().unlink()
  File "odoo/models.py", line 3609, in unlink
    func(self)
  File "addons/account/models/account_move_line.py", line 1524, in _prevent_automatic_line_deletion
    raise ValidationError(_(
```

By applying this,it will prevent set value of 'Taxes' in Automated Entries.

sentry - 4200665693

Forward-Port-Of: odoo/enterprise#41971
Forward-Port-Of: odoo/enterprise#41391