Change Details

This diff adds the plumbing for `RegistrationModal` and makes the new registration button open it. Depends on D7495

This diff adds the plumbing for `RegistrationNavigator` and `KeyserverSelection`, and makes the new registration button open it. Depends on D7495

This diff adds the plumbing for `RegistrationModal`Navigator` and `KeyserverSelection`, and makes the new registration button open it. Depends on D7495