This reverts the following commits:
ef5365ab240a1449e0490d2eb011dd69f594e27b
545b641e53a845b722f571b48ab408000048714b
702b7a696dd1a8319d6af907d4766a035cf30234
2398c1534dd1ca5b6329c888c50f55fb1b0ec23f
Use constants for consistent top padding and icon sizes.
Match layout of AnalyticsPrompt on iPad to other views.
Update icon in use case selection screen to allow tinting.
Fix incorrect fonts and use autocapitalization on the display name field.
Fix bug where authentication view controller would become active again after registration.
Improve EffectsView API.
Rename OnboardingConstants to OnboardingMetrics.
Fix strings warning about public property in public extension.
Remove unused OnboardingCelebrationViewModelResult.
Remove the service from the display name screen to match the avatar screen.
Add a loading indicator to PhotoPickerPresenter.
Fix layout issue when selecting non-square avatar image.