[IMP] web_editor, *: add visibility check for editor sub-widgets

*: website

Update the visibility (from dependencies and _computeWidgetVisibility
function) for all widgets, including the ones which are children of main
widgets (e.g. new ability to hide some choices from a select depending
on other options).

closes odoo/odoo#54162

Signed-off-by: Quentin Smetz (qsm) <qsm@odoo.com>