Fix missing copy implementation in LegacySampleControlPiont
Fix missing copy implementation in LegacySampleControlPiont

NeoAdonis/osu,ppy/osu,smoogipoo/osu,peppy/osu,UselessToucan/osu,smoogipooo/osu,peppy/osu,UselessToucan/osu,smoogipoo/osu,peppy/osu-new,ppy/osu,smoogipoo/osu,ppy/osu,NeoAdonis/osu,UselessToucan/osu,NeoAdonis/osu,peppy/osu