o_mail_notification should only be hidden when seen from the chatter. At the moment, the notification is hidden everywhere in odoo and after this PR the notification are only hidden in the chatter opw-2720840 closes odoo/odoo#105075 X-original-commit: abddcf8bd4b0ba3d8d45ed1ba4e26c3e112b8edb Signed-off-by: Alexandre Kühn (aku) <aku@odoo.com>