Fix removal of popup message element after fading out
Fix removal of popup message element after fading out

ppy/osu-web,notbakaneko/osu-web,LiquidPL/osu-web,ppy/osu-web,notbakaneko/osu-web,nanaya/osu-web,ppy/osu-web,LiquidPL/osu-web,nanaya/osu-web,LiquidPL/osu-web,notbakaneko/osu-web,LiquidPL/osu-web,nanaya/osu-web,nanaya/osu-web,notbakaneko/osu-web,notbakaneko/osu-web,ppy/osu-web,nanaya/osu-web,ppy/osu-web,LiquidPL/osu-web