chore: small fixes

- for track tile separator
- nullable video stream duration

lib/controller/video_controller.dart

@@ -444,7 +444,7 @@ class VideoController {
             sizeInBytes: choosenStream.sizeInBytes,
             frameratePrecise: choosenStream.fps.toDouble(),
             creationTimeMS: 0,
-            durationMS: choosenStream.duration.inMilliseconds,
+            durationMS: choosenStream.duration?.inMilliseconds ?? 0,
             bitrate: choosenStream.bitrate,
           );
         }

lib/ui/widgets/library/track_tile.dart

@@ -517,24 +517,28 @@ class TrackTileManager {
 
   static String joinTrackItems(TrackTilePosition? p1, TrackTilePosition? p2, TrackTilePosition? p3, Track track) {
     var buffer = StringBuffer();
+    bool needsSeparator = false;
     if (p1 != null) {
       var info = getChoosenTrackTileItem(p1, track);
       if (info.isNotEmpty) {
         buffer.write(info);
+        needsSeparator = true;
       }
     }
     if (p2 != null) {
       var info = getChoosenTrackTileItem(p2, track);
       if (info.isNotEmpty) {
-        buffer.write(_separator);
+        if (needsSeparator) buffer.write(_separator);
         buffer.write(info);
+        needsSeparator = true;
       }
     }
     if (p3 != null && settings.displayThirdItemInEachRow.value) {
       var info = getChoosenTrackTileItem(p3, track);
       if (info.isNotEmpty) {
-        buffer.write(_separator);
+        if (needsSeparator) buffer.write(_separator);
         buffer.write(info);
+        needsSeparator = true;
       }
     }
     return buffer.toString();

lib/youtube/controller/youtube_controller.dart

@@ -1156,7 +1156,7 @@ class YoutubeController {
           sizeInBytes: erabaretaStreamSizeInBytes,
           frameratePrecise: erabaretaStream.fps.toDouble(),
           creationTimeMS: creationDate?.millisecondsSinceEpoch ?? 0,
-          durationMS: erabaretaStream.duration.inMilliseconds,
+          durationMS: erabaretaStream.duration?.inMilliseconds ?? 0,
           bitrate: erabaretaStream.bitrate,
         );
       }

lib/youtube/functions/yt_playlist_utils.dart

@@ -618,7 +618,7 @@ extension PlaylistBasicInfoExt on PlaylistBasicInfo {
 class _DisposableWidget extends StatefulWidget {
   final Widget child;
   final void Function() onDispose;
-  const _DisposableWidget({super.key, required this.child, required this.onDispose});
+  const _DisposableWidget({required this.child, required this.onDispose});
 
   @override
   State<_DisposableWidget> createState() => __DisposableWidgetState();

pubspec.yaml

@@ -1,7 +1,7 @@
 name: namida
 description: A Beautiful and Feature-rich Music Player, With YouTube & Video Support Built in Flutter
 publish_to: "none"
-version: 3.9.12-beta+240815231
+version: 3.9.14-beta+240815231
 
 environment:
   sdk: ">=3.4.0 <4.0.0"