Before this commit, since https://github.com/odoo/odoo/pull/83574, attempting to join a call through the channel guest page while being logged as a portal user would give an acess error. This commit fixes this issue closes odoo/odoo#87995 X-original-commit: e6a637dc1d4e024c67b946fbe26a1b1e0dd144f3 Signed-off-by: Sébastien Theys (seb) <seb@odoo.com>