fix: capture original offline songs order during initialization

Author: gokadzev

lib/screens/user_songs_page.dart

@@ -48,6 +48,14 @@ class _UserSongsPageState extends State<UserSongsPage> {
   bool _isEditEnabled = false;
   List<dynamic> _originalOfflineSongsList = [];
 
+  @override
+  void initState() {
+    super.initState();
+    if (widget.page == 'offline') {
+      _originalOfflineSongsList = List<dynamic>.from(userOfflineSongs);
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     final title = getTitle(widget.page, context);
@@ -57,11 +65,6 @@ class _UserSongsPageState extends State<UserSongsPage> {
     final isLikedSongs = title == context.l10n!.likedSongs;
     final isOfflineSongs = title == context.l10n!.offlineSongs;
 
-    // Initialize backup for offline songs on first open
-    if (isOfflineSongs && _originalOfflineSongsList.isEmpty) {
-      _originalOfflineSongsList = List<dynamic>.from(userOfflineSongs);
-    }
-
     return Scaffold(
       appBar: AppBar(
         title: offlineMode.value ? Text(title) : null,