Before this PR, the guest that just connect wouldn't receive the longpolling message before the current one expire. task-2664831 closes odoo/odoo#82170 X-original-commit: 0006123dba46d32d062a581e9a16f433f3ce05f3 Signed-off-by: Sébastien Theys (seb) <seb@odoo.com>