Refinements to onboarding personalisation flow.

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.

RiotSwiftUI/Modules/Onboarding/DisplayName/View/OnboardingDisplayNameScreen.swift

@@ -80,7 +80,7 @@ struct OnboardingDisplayNameScreen: View {
                 .foregroundColor(theme.colors.primaryContent)
             
             Text(VectorL10n.onboardingDisplayNameMessage)
-                .font(theme.fonts.subheadline)
+                .font(theme.fonts.body)
                 .multilineTextAlignment(.center)
                 .foregroundColor(theme.colors.secondaryContent)
         }
@@ -92,6 +92,7 @@ struct OnboardingDisplayNameScreen: View {
             TextField(VectorL10n.onboardingDisplayNamePlaceholder, text: $viewModel.displayName) {
                 isEditingTextField = $0
             }
+            .autocapitalization(.words)
             .textFieldStyle(BorderedInputFieldStyle(theme: _theme,
                                                     isEditing: isEditingTextField,
                                                     isError: viewModel.viewState.validationErrorMessage != nil))