Prefer using hooks instead. Makes use of the new open_chat_hook from mail when possible. closes odoo/odoo#100764 X-original-commit: d058734cf55f2c3f46f2f23e0bbbfc54f2f0da15 Related: odoo/enterprise#31605 Signed-off-by: William Braeckman (wbr) <wbr@odoo.com>