The website sales settings related to eBay have been reorganized and improved. This makes configuration clearer for users managing eBay integrations through the website sales flow.

Cleaned commits of PR https://github.com/odoo/enterprise/pull/611

Task: https://www.odoo.com/web?debug=#id=29502&view_type=form&model=project.task&action=333&active_id=248&menu_id=4720

This fixes an error that could occur when inviting people to a Discuss channel. Users can now add participants without the channel invite flow failing, improving reliability for team communication.

issue : https://www.odoo.com/web#id=687978&view_type=form&model=project.issue&action=963&active_id=681&menu_id=4720