* = bus, crm_livechat, hr, mail_bot, test_discuss_full, test_mail,
website_livechat
Now that livechat uses guest, we can write proper ACL for channel and
channel member to check if the current user/guest is a member.
This allows removing most sudo in code and to simplify search domains.
Remaining sudo in discuss folder have been reviewed and commented.
task-3394829
closesodoo/odoo#138330
Related: odoo/upgrade#5295
Signed-off-by: Sébastien Theys (seb) <seb@odoo.com>