*: im_livechat, website_livechat In preparation of splitting 'discuss' and 'mail' modules. This allow using new folder discuss/ that contains all static files of new module 'discuss'. Part of task-3265211 closes odoo/odoo#119860 Related: odoo/enterprise#40388 Signed-off-by: Sébastien Theys (seb) <seb@odoo.com>