PlayIndex: ensure mediawrapper is from ML

This ensures that we get all meta data for the file being played.

application/vlc-android/src/org/videolan/vlc/media/PlaylistManager.kt

@@ -482,7 +482,8 @@ class PlaylistManager(val service: PlaybackService) : MediaWrapperList.EventList
             0
         }
 
-        val mw = mediaList.getMedia(index) ?: return
+        val media = mediaList.getMedia(index) ?: return
+        val mw = medialibrary.getMedia(media.uri) ?: media
         val isInCustomPiP: Boolean = service.isInPiPMode.value ?: false
         if (mw.type == MediaWrapper.TYPE_VIDEO && !isAppStarted() && !isInCustomPiP) videoBackground = true
         val isVideoPlaying = mw.type == MediaWrapper.TYPE_VIDEO && player.isVideoPlaying()