Portal users now receive the access needed to use website live chat when it is installed. This fixes live chat availability for those users while keeping restrictions that prevent them from chatting with regular internal users.

...vechat is installed. These access rights will _not_ allow him to chat with normal users, only allow him to access the website_livechat feature.

This fixes an issue with adding new columns in Kanban views, helping users organize records without interruption. The change improves reliability of day-to-day workflow management in the web interface.

Task: https://www.odoo.com/web#id=10048&view_type=form&model=project.task&menu_id=3942&action=327
Pad: https://pad.odoo.com/p/r.iKws0chd8JBBQY5U