Move back to using an abstract method to determine if all objects have been judged.
Move back to using an abstract method to determine if all objects have been judged.

Because sliderticks provide judgements even though they are added as nested hitobjects, the count method would not work to determine if all hitobjects have been judged. This needs a little bit more thought put in...

smoogipoo/osu,2yangk23/osu,Nabile-Rahmani/osu,DrabWeb/osu,RedNesto/osu,ppy/osu,naoey/osu,smoogipoo/osu,NeoAdonis/osu,Damnae/osu,tacchinotacchi/osu,2yangk23/osu,peppy/osu,smoogipooo/osu,NeoAdonis/osu,UselessToucan/osu,johnneijzen/osu,DrabWeb/osu,DrabWeb/osu,ZLima12/osu,ppy/osu,ppy/osu,UselessToucan/osu,EVAST9919/osu,naoey/osu,smoogipoo/osu,Drezi126/osu,EVAST9919/osu,osu-RP/osu-RP,johnneijzen/osu,peppy/osu,NeoAdonis/osu,peppy/osu,naoey/osu,peppy/osu-new,UselessToucan/osu,ZLima12/osu,Frontear/osuKyzer,nyaamara/osu