This change improves an internal test for the mail activity popover so it better reflects how the feature is used in Odoo. It helps reduce false test failures and supports more stable ongoing development without changing the user-facing experience.

This PR make the activity popover test use the mock model and a chatter as
component.

This update simplifies internal handling of messaging-related record actions so developers no longer need to manually connect certain methods during setup. It should reduce maintenance effort and lower the risk of future issues without changing day-to-day user workflows.

*: website_slides

Task-2731656

Enterprise: https://github.com/odoo/enterprise/pull/23343

This update simplifies how mail dialogs and related attachment and follower views are handled behind the scenes. It helps make the messaging interface easier to maintain and less prone to technical issues, with no expected change to day-to-day user workflows.

Task-2092965
Task-2694206

The VoIP activity code was improved so record actions no longer need extra manual setup behind the scenes. This reduces maintenance effort and helps make future VoIP updates safer and more reliable without changing day-to-day user workflows.

Task-2731656

Community: https://github.com/odoo/odoo/pull/82444