Expose `LegacySkinTransformer`'s underlying skin for pattern-matching
Expose `LegacySkinTransformer`'s underlying skin for pattern-matching

ppy/osu,peppy/osu,ppy/osu,NeoAdonis/osu,NeoAdonis/osu,peppy/osu,peppy/osu,NeoAdonis/osu,ppy/osu