🐛 Fix bugs on windows

lib/main.dart

@@ -52,11 +52,11 @@ Future<void> main(List<String> rawArgs) async {
   await KVStoreService.initialize();
   await EncryptedKvStoreService.initialize();
 
-  runApp(const MyApp());
+  runApp(const RhythmApp());
 }
 
-class MyApp extends StatelessWidget {
+class RhythmApp extends StatelessWidget {
-  const MyApp({super.key});
+  const RhythmApp({super.key});
 
   @override
   Widget build(BuildContext context) {

lib/shells/system_shell.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:rhythm_box/platform.dart';
+import 'package:window_manager/window_manager.dart';
 
 class SystemShell extends StatelessWidget {
   final Widget child;
@@ -8,8 +9,9 @@ class SystemShell extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    if (PlatformInfo.isMacOS) {
+    if (PlatformInfo.isDesktop) {
-      return Column(
+      return DragToMoveArea(
+        child: Column(
           children: [
             Container(
               height: 28,
@@ -21,6 +23,7 @@ class SystemShell extends StatelessWidget {
             ),
             Expanded(child: child),
           ],
+        ),
       );
     }
 

test/widget_test.dart

@@ -13,7 +13,7 @@ import 'package:rhythm_box/main.dart';
 void main() {
   testWidgets('Counter increments smoke test', (WidgetTester tester) async {
     // Build our app and trigger a frame.
-    await tester.pumpWidget(const MyApp());
+    await tester.pumpWidget(const RhythmApp());
 
     // Verify that our counter starts at 0.
     expect(find.text('0'), findsOneWidget);