fix(server): try to find proper embedded front cover - only for vorbis comments for now (#3348)

* fix(artwork): get the first image from vorbis comments, not the last. fixes #3254

This uses a fork for now.

* fix(artwork): prioritize getting embedded types that are listed as "front" covers

* fix: cleanup

core/artwork/reader_mediafile.go

@@ -55,7 +55,7 @@ func (a *mediafileArtworkReader) Reader(ctx context.Context) (io.ReadCloser, str
 	var ff []sourceFunc
 	if a.mediafile.CoverArtID().Kind == model.KindMediaFileArtwork {
 		ff = []sourceFunc{
-			fromTag(a.mediafile.Path),
+			fromTag(ctx, a.mediafile.Path),
 			fromFFmpegTag(ctx, a.a.ffmpeg, a.mediafile.Path),
 		}
 	}