* Remove unused code in OnboardingScreen.
* Add FullscreenDialog layout and use in auth flow.
Bump minimum OS to 16.4/13.3.
* Add dynamic layout based on dynamic type size.
* Present OIDC directly on the ServerConfirmationScreen.
Read the actual window from the view.
* Pop back to the confirmation screen when a user enters an MXID that needs OIDC.
* Remove OIDC error handling from the login screen.