feat(material): adopt expressive controls across the app

lib/app.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:material_ui/material_ui.dart' as material_ui;
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:go_router/go_router.dart';
@@ -228,6 +229,7 @@ class SpotiFLACApp extends ConsumerWidget {
           localizationsDelegates: const [
             AppLocalizations.delegate,
             GlobalMaterialLocalizations.delegate,
+            material_ui.GlobalMaterialLocalizations.delegate,
             GlobalWidgetsLocalizations.delegate,
             GlobalCupertinoLocalizations.delegate,
           ],