This commit removes the tooltips shown when hovering over a theme in
the website switcher dropdown. This feature will be reimplemented later,
patching the WebsiteSwitcherSystray component.
It also adapts the ?fw= url parameter to force a website id during the
tours.
task-2687506
closesodoo/design-themes#572
Related: odoo/odoo#89223
Related: odoo/enterprise#28448
Related: odoo/upgrade#3464
Signed-off-by: Quentin Smetz (qsm) <qsm@odoo.com>