Don't concatenate strings unless actually necessary
Don't concatenate strings unless actually necessary

It's expensive. Roughly 4% of update thread was being consumed by this.
Tom94/osu-framework,smoogipooo/osu-framework,ZLima12/osu-framework,default0/osu-framework,peppy/osu-framework,EVAST9919/osu-framework,smoogipooo/osu-framework,peppy/osu-framework,DrabWeb/osu-framework,Tom94/osu-framework,ppy/osu-framework,DrabWeb/osu-framework,DrabWeb/osu-framework,ppy/osu-framework,ZLima12/osu-framework,EVAST9919/osu-framework,peppy/osu-framework,Nabile-Rahmani/osu-framework,EVAST9919/osu-framework,Nabile-Rahmani/osu-framework,EVAST9919/osu-framework,default0/osu-framework,ppy/osu-framework