Fix storyboard loops start time when none of their commands start at 0.
Fix storyboard loops start time when none of their commands start at 0.

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