fix restarting with a different track in the same BeatmapSet
fix restarting with a different track in the same BeatmapSet


ppy/osu,DrabWeb/osu,UselessToucan/osu,NeoAdonis/osu,smoogipoo/osu,smoogipoo/osu,peppy/osu-new,EVAST9919/osu,smoogipooo/osu,2yangk23/osu,peppy/osu,UselessToucan/osu,DrabWeb/osu,ppy/osu,2yangk23/osu,DrabWeb/osu,ppy/osu,ZLima12/osu,smoogipoo/osu,UselessToucan/osu,peppy/osu,johnneijzen/osu,NeoAdonis/osu,peppy/osu,NeoAdonis/osu,EVAST9919/osu,ZLima12/osu,johnneijzen/osu