Update MediaBrowser.Providers/MediaInfo/MediaInfoResolver.cs

Co-authored-by: Bond-009 <bond.009@outlook.com>

MediaBrowser.Providers/MediaInfo/MediaInfoResolver.cs

@@ -170,7 +170,7 @@ namespace MediaBrowser.Providers.MediaInfo
                 }
             }
 
-            return externalPathInfos.AsReadOnly();
+            return externalPathInfos;
         }
 
         /// <summary>