Fix React warning when DelayRender unmounts before expiring
Fix React warning when DelayRender unmounts before expiring

fyruna/WoWAnalyzer,WoWAnalyzer/WoWAnalyzer,fyruna/WoWAnalyzer,ronaldpereira/WoWAnalyzer,yajinni/WoWAnalyzer,anom0ly/WoWAnalyzer,yajinni/WoWAnalyzer,yajinni/WoWAnalyzer,Juko8/WoWAnalyzer,yajinni/WoWAnalyzer,Juko8/WoWAnalyzer,WoWAnalyzer/WoWAnalyzer,anom0ly/WoWAnalyzer,sMteX/WoWAnalyzer,Juko8/WoWAnalyzer,FaideWW/WoWAnalyzer,sMteX/WoWAnalyzer,FaideWW/WoWAnalyzer,anom0ly/WoWAnalyzer,fyruna/WoWAnalyzer,anom0ly/WoWAnalyzer,ronaldpereira/WoWAnalyzer,ronaldpereira/WoWAnalyzer,FaideWW/WoWAnalyzer,WoWAnalyzer/WoWAnalyzer,sMteX/WoWAnalyzer