Added lastActivityTime as possible default sort field option
Added lastActivityTime as possible default sort field option

MenesesEvandro/WCF,Cyperghost/WCF,SoftCreatR/WCF,cashcat/WCF-1,Cyperghost/WCF,SoftCreatR/WCF,joshuaruesweg/WCF,0xLeon/WCF,SoftCreatR/WCF,joshuaruesweg/WCF,0xLeon/WCF,WoltLab/WCF,Cyperghost/WCF,Cyperghost/WCF,Morik/WCF,WoltLab/WCF,cashcat/WCF-1,Morik/WCF,NBZ4live/WCF,WoltLab/WCF,MenesesEvandro/WCF,NBZ4live/WCF,MeinAccount/WCF,Morik/WCF,WoltLab/WCF,MeinAccount/WCF,0xLeon/WCF,joshuaruesweg/WCF,Morik/WCF,SoftCreatR/WCF,Cyperghost/WCF