### Issue before this commit:
The "Source" (origin) field was missing from the PDF of replacement invoices. While the original invoice correctly displayed the Sales Order reference, the new invoice generated through the request cancel process had an empty origin field.

### Steps to reproduce the issue:
1. Download Sales and l10n_mx
2. Set a UNSPSC Category for one product
3. Go to Sales, create a new Quotation and confirm it
4. Create invoice, confirm and send & print
5. Request cancel button -> create replacement invoice
6. In the new invoice there is no source origin invoice

### Cause of the issue:
The invoice_origin field is defined with copy=False. Since the replacement logic uses the copy_data method without explicitly passing the origin value, the field was automatically cleared during the creation of the new invoice.

### Reason to introduce the fix:
To ensure document traceability, the fix explicitly passes the invoice_origin from the original invoice to the replacement. This maintains the link to the Sales Order in the database and ensures the "Source" label appears on the printed PDF.

opw-6070016

Forward-Port-Of: odoo/enterprise#114099

**Steps to reproduce**
- Settings: Timesheets > Invoicing policy = only validated TS.
- Have a service product with an invoicing policy based on timesheets.
- Create a sales order using this product.
- From the SO, click on the "Recorded" smart button and create 2 timesheets. Validate only one of them.
- Invoice the SO, using a timesheets period that includes both TS.
- Notice that the quantity of the invoice line includes the non-validated timesheet.

**Cause**
The domain excluding non-validated timesheets provided by `_timesheet_compute_delivered_quantity_domain` is not considered since c3b6053b09222d4bd2237e7de589a63fbef118f1

**Change**
Since the purpose of the previous fix was to exclude timesheets linked to an invoice with a date before the "Invoicing Switch Threshold", this can be achieved by tweaking the `timesheet_domain` slightly, similar to the `_timesheet_domain_get_invoiced_lines` domain.

opw-6116670

Forward-Port-Of: odoo/odoo#261077
Forward-Port-Of: odoo/odoo#259224

Applying stock quants validation was performing poorly due to multiple bottlenecks in `Picking._check_entire_pack` and `StockMoveLine._apply_putaway_strategy`:

* **Redundant updates** were performed on `location_dest_id` in the move lines and the package levels (which internally update all related move lines too), even when the location remained unchanged.
* The main loop inside `_check_entire_pack` was **O(N^2)** time relative to the number of move lines due to internal filtering logic.
* **Cache misses** triggered unnecessary SQL queries when retrieving `move_line_ids` from `package levels`, while they are already cached via the pickings and can be grouped by `package_level`.

---

### Benchmark
Benchmark conducted on a customer database with **400k** `stock_move_line` records within **800** `pickings`, testing performance of the action `StockQuant.action_validate` with different sizes of move lines. Each test was run multiple times and shown is the average mean, all with negligible variance.

| Metric | Before | After | Delta |
| :--- | :--- | :--- | :--- |
| **Benchmark (1k lines)** | 10.5s | 2.2s | -80% |
| **Benchmark (5k lines)** | 121s | 8.5s | -93% |
| **Benchmark (50k lines)** | 887s | 56s | -94% |
| **Benchmark (400k lines)** | timeout | 777s | (within time limit) |

**OPW-6045513**

Forward-Port-Of: odoo/odoo#257829

Steps to produce:
---
- Install `mrp`.
- Go to Manufacturing > Products > Bills of Materials.
- Click Create, select a product.
- In the Product Variant field, type any value and click "Create".

Issue:
---
Using quick create on the Product Variant field does
not create a variant of the selected product template. Instead, it
creates a completely new, unrelated `product.template`. This is because
the `create()` method on `product.product` is overridden to call super()
with context `create_product_product=False`, which suppresses direct
variant creation and forces creation through `product.template` instead,
see [1].

**Why passing `default_product_tmpl_id` does not help:**
One might expect that passing `default_product_tmpl_id` in the field
context would cause the newly quick-created `product.product` to be
linked to the already-selected `product.template`. However, because of
the `create()` override above (introduced in [commit]), the variant
creation is always redirected to `product.template`, ignoring any
`default_product_tmpl_id` passed in context. It is therefore not possible
in any case to quick-create a `product.product` that is correctly and
directly linked to the currently selected `product.template`.

Fix:
---
Disable the "Create" and "Create and Edit" options. Since there is no
way to quick-create a `product.product` that is correctly linked to the
currently selected `product.template`, the user must create the variant
directly on the product template first.

[1]https://github.com/odoo/odoo/blob/f04d79d44873d0f1c35303a1a892f3a3a394ea17/addons/product/models/product_product.py#L364-L368

[commit]: https://github.com/odoo/odoo/commit/7389345696720255a9d3c72ca1d9c2f4e4ecd7b8

opw-6127738
---
I confirm I have signed the CLA and read the PR guidelines at www.odoo.com/submit-pr

Forward-Port-Of: odoo/odoo#261316
Forward-Port-Of: odoo/odoo#259776

### *Why this commit*: 
---
Ensures Quality Checks and Mass Produce options remain available on the
Shop Floor regardless of the "Auto-close Production" setting.

### *Steps to Reproduce*
---
1. Define a product tracked by Serial Numbers with a Manufacturing BoM.

2. Create a Quality Control Point for the product on the Manufacturing
operation.

3. In Inventory Configuration, disable "Auto-close Production" on the
Manufacturing operation type.

4. Create a Manufacturing Order (MO) and open it in the Shop Floor view.

5. If the MO has no operations, try to use Mass Produce.

### *Before this PR*
---
When auto_close_production was set to False, the Shop Floor card footer
incorrectly hid both the Quality Checks and Mass Produce buttons.
This blocked users from registering Serial Numbers and completing mandatory
quality check steps.

Additionally, for products without BoM operations, clicking Mass Produce 
triggered quality check validation instead leading to errors, preventing the
generation of serial numbers.


### *After this PR*
---
The visibility logic for Shop Floor actions is now decoupled from the closing
permission. The workflow follows this corrected sequence:

Mass Produce: Stays visible to allow serial registration and backorder
creation even if the MO cannot be closed from the Shop Floor.

Quality Checks: Remain accessible to ensure all mandatory tests are
passed before production progresses.

Close Production: Only appears if "Auto-close Production" is enabled
on the operation type.


OPW: 5473839

**Description of the issue/feature this PR addresses:**
----------------------------------------------
When replying to messages from the History (Inbox) view, opening the full
composer and discarding it could incorrectly trigger a toast notification
indicating that a message was posted. This behavior is misleading, as no
message is actually sent when the composer is discarded.


**Current behavior before PR:**
----------------------------------------------
- Replying to a message from History opens the full composer
- Discarding the full composer closes the dialog normally
- A “Message posted” toast is shown even though no message was sent
- Notification logic depends on dialog close behavior, leading to incorrect triggers

**Desired behavior after PR is merged:**
----------------------------------------------
- Discarding the full composer does not show any notification
- Notifications are only shown when a message is actually sent

Task-5431682

----------------------------------------------
I confirm I have signed the CLA and read the PR guidelines at www.odoo.com/submit-pr

### Issue
Two bugs reported in the Barcode app / Manufacturing Order flow:

**1. UoM change after confirm leaves MO inconsistent** Changing the UoM on a confirmed MO via the Barcode app does not recalculate `product_qty` / `qty_producing`. The backend locks the UoM after confirm — the Barcode view did not.

**2. `qty_producing` reset on wizard open/close**
Typing a value in `qty_producing` then opening the "Change Qty to Produce" widget (even closing without saving) caused the typed value to vanish. Root cause: the widget's `onClose` calls `env.model.load()`, which refetches from DB and discards any unsaved form edits.

### Fix
- `product_uom_id` in the Barcode MO form is now readonly once `state != 'draft'`, matching the backend.
- `openChangeQtyWizard` now saves the record before opening the wizard, so pending edits survive the reload.

### Steps to reproduce
**UoM bug**
1. Create an MO, confirm it.
2. Open it in the Barcode app.
3. Try to change the UoM → it was editable (bug).

**Qty reset bug**
1. Open a confirmed MO in the Barcode app, go to the header product page.
2. Type a value in `qty_producing` (e.g. `3`).
3. Click the `/ X` button next to it (opens the Change Qty wizard) then close it without clicking "Set Quantity".
4. `qty_producing` reverts to its previous value (bug).

### After the fix
- UoM field is greyed out once the MO is confirmed.
- Typed value in `qty_producing` is preserved after opening and closing the wizard.

opw-5809178

Forward-Port-Of: odoo/enterprise#114452
Forward-Port-Of: odoo/enterprise#114075

[FIX] project_timesheet_holidays: Exclude archived employees from time-off 

# Description of the issue/feature this PR addresses:
## Steps to Reproduce:
1. Create a time off for Employee A (it should affect the timesheets).
2. Create a new public holiday (global time off) that overlaps with Employee A’s time off.
3. Archive Employee A.
4. Delete the public holiday created in step 2.
5. An error related to timesheet generation appears.

## Expected Behavior:
- The public holiday / global time off should be deleted without any error.

# Desired behavior after PR is merged:
## Fix (Implemented):
When regenerating timesheets due to changes in holidays or time off, leaves related to archived employees should not be taken into account. A check was added inside the `_generate_timesheets` function in `project_timesheet_holidays/models/hr_holidays.py` to exclude leaves belonging to archived employees.

## Alternative Fix (Not Implemented):
Instead of filtering out leaves linked to archived employees, we could delete those leaves when an employee is archived. However, this approach is not ideal, as archived employees may be reactivated later and would still need their previously requested time off to be preserved.

 ## Version:
 This bug appears in both version 17.0 and 19.0. I assumed that it also appears in 18.0  but didn't directly test

## Task:

[5474038](https://www.odoo.com/odoo/project/4105/tasks/5474038)

---
I confirm I have signed the CLA and read the PR guidelines at www.odoo.com/submit-pr

Forward-Port-Of: odoo/odoo#260725
Forward-Port-Of: odoo/odoo#244203