Open file dialog if project directory option is null
Open file dialog if project directory option is null

wejick/ignsdk-qt,anak10thn/ignsdk-qt,anak10thn/ignsdk-qt,wejick/ignsdk-qt,wejick/ignsdk-qt,wejick/ignsdk-qt,anak10thn/ignsdk-qt,anak10thn/ignsdk-qt,wejick/ignsdk-qt,anak10thn/ignsdk-qt