change functions of dropdown from blizzard's code to AceGUI widget.
change functions of dropdown from blizzard's code to AceGUI widget.

Signed-off-by: eruteiHT <39b74b4704a99bbf81418ff8a6f5fd52086f5adf@gmail.com>

hayword/tfatf_epgp,sheldon/epgp,ceason/epgp-tfatf,protomech/epgp-dkp-reloaded,ceason/epgp-tfatf,sheldon/epgp,protomech/epgp-dkp-reloaded,hayword/tfatf_epgp