Before this PR, the current user was not considered has a follower, regarding the mention suggestions. This lead him to be lower than other entries. This PR fix the issue by adding him back to the follower list. Task-3531111 closes odoo/odoo#137583 X-original-commit: 50a785fedc5b5c7fd826548e52385bdf458c97a2 Signed-off-by: Alexandre Kühn (aku) <aku@odoo.com> Signed-off-by: Didier Debondt (did) <did@odoo.com>