This change streamlines how email aliases are set up for teams, projects, jobs, and users. It reduces duplicated setup work behind the scenes, making these areas easier to maintain and less prone to future inconsistencies.

Create an abstract model for models that inherits `mail.alias`.
This simplifies the definition of those models.

The analytic defaults feature was reorganized and migrated to Odoo's newer internal framework. This keeps the module easier to maintain while preserving the business behavior used to automatically apply analytic accounting defaults.

<strong>Task:</strong>https://www.odoo.com/web#id=12154&view_type=form&model=project.task&menu_id=3942&action=327
<strong> Pad:</strong>https://pad.odoo.com/p/openerp-project.task-42RUXSFUO3