FLAC set the VorbisComment as tag incorrectly

[zhuxb711]

TagLibSharp2/src/TagLibSharp2/Core/MediaFile.cs

Line 389 in 527b7fb

return MediaFileResult.Success (result.File!, result.File!.VorbisComment, MediaFormat.Flac);

VorbisComment is being used as tag and cause the issue.
For example, for flac file, property Pictures contains 1 element in the MediaFileResult.File but not in the MediaFileResult.Tag