Fix 18574 right-click target bug.
Fix 18574 right-click target bug.

ggtracker/sc2reader,vlaufer/sc2reader,GraylinKim/sc2reader,StoicLoofah/sc2reader,vlaufer/sc2reader,GraylinKim/sc2reader,StoicLoofah/sc2reader,ggtracker/sc2reader