Move expected init_messaging results in a getter so that it can be overriden. Needed for task-2821508 that adds fields to the model `res.users.settings`, whose the content is returned by init_messaging. Part-of: odoo/odoo#90015
Move expected init_messaging results in a getter so that it can be overriden. Needed for task-2821508 that adds fields to the model `res.users.settings`, whose the content is returned by init_messaging. Part-of: odoo/odoo#90015