- Now the start datetime and the location of an event is not editable
in the frontend editor.
It does not make really sense to change the location and for the
datetime it could lead to some Validation error as we don't know
in the card view the end datetime.
- Fix a display issue in the backend kanban view when the
location is too long and not inline with the icon.
- Align correctly the number of people in a community room
task-2845417
Part-of: odoo/odoo#91883