When formatting a message, a message could be with an empty or obsolete record_name field. It's better to rely on the relation between the message and the thread and fetch the current thread name. task-2411715 closes odoo/odoo#63000 closes odoo/odoo#67549 X-original-commit: 51e962803d2048efeb0f7e96a9fe561ac49ee05a Signed-off-by: Sébastien Theys (seb) <seb@odoo.com>