This update aligns enterprise tests with a related community change for project sharing and validated timesheet invoicing. It helps ensure invoicing behavior remains reliable when customers interact with shared projects.

This commit's purpose is to update the test
test_project_sharing_with_validated_timesheet_invoicing by taking into account the change made in the corresponding community PR.

community pr: https://github.com/odoo/odoo/pull/134492

task - 3186700

Event communication templates for social posts and WhatsApp messages now show distinct symbols, making them easier to identify when configuring event messaging. The underlying notification setup was also cleaned up to align with related platform changes, improving consistency across event communication channels.

Copied documents are now automatically given an updated name, making it easier for users to distinguish originals from duplicates. This reduces confusion when managing document libraries and working with copied files, including spreadsheets.

This PR introduces an automated naming mechanism for creating copies of a document.

TaskID: [3515793](https://www.odoo.com/web#id=3515793&cids=2&menu_id=4720&action=333&active_id=2328&model=project.task&view_type=form)