Fix WaveOverlayContainer staying visible when hidden.
Fix WaveOverlayContainer staying visible when hidden.

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