Purpose
=======
Improve the appointment general UI.

Specifications
============
- Automatically set the calendar event duration
to the related appointment type duration when
creating a calendar event and there's the
appointment_type_id in the context.
- Improve the gantt booking form view.
- Only allow appointment admins to reorder the
appointment type in the list and kanban views.
- Improve the resource list and form views.
- Move the Share Links menu under Reporting.
- Change the calendar template to prevent displaying
'OdooBot' as the sender when recieving a calendar
event invitation.
- Improve the action helper for the Invitations menu
and create an action helper for the appointment type
questions answers list view.
- Change the location placeholder and the avatars_display
description in the appointment type form view.
- Align the '+X' with the many2many element names at display.
- Removing the 'Appointment' tags from the search tags as
events generated through a type can already be found otherwise.
- Open the gantt form view instead of the gantt planning view
when creating an event by clicking on a gantt cell.
- Fix the reserved capacity field display in the gantt form view.
- Create an access rule to restrict the internal user
access to show the open appointment types or the ones
where they are staff users, with only read access.


Task-3544915