[Mac] Implement RowActivated event on ListViewBackend
[Mac] Implement RowActivated event on ListViewBackend

TheBrainTech/xwt,cra0zy/xwt,directhex/xwt,akrisiun/xwt,iainx/xwt,lytico/xwt,hamekoz/xwt,mono/xwt,sevoku/xwt,hwthomas/xwt,residuum/xwt,steffenWi/xwt,antmicro/xwt,mminns/xwt,mminns/xwt