pollymce authored Jul 17, 2024 and ma1 committed Sep 12, 2024

Instead of explaining to users that they are in fullscreen mode, which may be obvious, we explain how to get out of it :)
Also use a Toast rather than a custom Dialog.
Update Focus too.
Fix lint errors.

Differential Revision: https://phabricator.services.mozilla.com/D215782

Backported localizations.