fix: fallback to low res thumbnail if failed

Author: MSOB7YY

lib/controller/thumbnail_manager.dart

@@ -164,7 +164,15 @@ class ThumbnailManager {
       lowerResYTID: false,
     );
 
-    return downloaded;
+    if (downloaded != null) return downloaded;
+
+    if (!isTemp) {
+      // return the low res if high res failed
+      final filetemp = imageUrlToCacheFile(id: id, url: customUrl, isTemp: isTemp, type: type);
+      if (filetemp != null && filetemp.existsSync()) return filetemp;
+    }
+
+    return null;
   }
 
   Future<File?> getLowResYoutubeVideoThumbnail(String? videoId, {String? symlinkId, bool useHighQualityIfEnoughListens = true, VoidCallback? onNotFound}) async {

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: 4.5.45-beta+241011010
+version: 4.5.47-beta+241011011
 
 environment:
   sdk: ">=3.4.0 <4.0.0"