a17737f6f6
The patch adds `password-validation-inputs` into `turn-on-scheduled-backups`, therefore removing the need for duplicate password fields and validation logic in the latter component. The turn-on dialog is notified via a dispatched event whenever a valid and invalid password pair is entered. Tests are written in D216892 Depends on D216617 Differential Revision: https://phabricator.services.mozilla.com/D216762