Backport pull request #8163 from jellyfin/release-10.8.z

Don't refresh playlists on album refresh

Authored-by: David Ullmer <davidullmer@outlook.de>

Merged-by: Claus Vium <cvium@users.noreply.github.com>

Original-merge: 444b0ea3105517900e869d73223b8bf984f28aa4

MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs

@@ -169,8 +169,8 @@ namespace MediaBrowser.Controller.Entities.Audio
 
             var childUpdateType = ItemUpdateType.None;
 
-            // Refresh songs
-            foreach (var item in items)
+            // Refresh songs only and not m3u files in album folder
+            foreach (var item in items.OfType<Audio>())
             {
                 cancellationToken.ThrowIfCancellationRequested();