Before [1], chat windows were not shown on the website preview. Showing them was not intended and those chat windows overlap with the one of the livechat. This PR restores the previous behavior by preventing chat windows to be shown on the website. [1]: odoo#110188 closes odoo/odoo#123096 X-original-commit: 3e74f5c1f4ea045725edcd945276e524529ffd97 Signed-off-by: Sébastien Theys (seb) <seb@odoo.com> Signed-off-by: Stockbauer Matthieu (tsm) <tsm@odoo.com>