Add sanity check to prevent TimeshiftPlayer from starting with incorrect beatmap/ruleset/mods
Add sanity check to prevent TimeshiftPlayer from starting with incorrect beatmap/ruleset/mods

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