Move MainMenu initialisation from ctor to load
Move MainMenu initialisation from ctor to load

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