fix(meta): Fix fresh/migrated version hickups

lib/ui/bloc/preferences_event.dart

@@ -6,9 +6,8 @@ abstract class PreferencesEvent {}
 /// If [notify] is true, then the background service will be
 /// notified of this change.
 class PreferencesChangedEvent extends PreferencesEvent {
-
   PreferencesChangedEvent(this.preferences, {
-      this.notify = true,
+    this.notify = true,
   });
   final PreferencesState preferences;
   final bool notify;
@@ -19,7 +18,6 @@ class SignedOutEvent extends PreferencesEvent {}
 
 /// Triggered when a background image has been set
 class BackgroundImageSetEvent extends PreferencesEvent {
-
   BackgroundImageSetEvent(this.backgroundPath);
   final String backgroundPath;
 }