Fix missing `nil` check bug in SystemUI.select_directory
Fix missing `nil` check bug in SystemUI.select_directory


thomthom/testup-2,SketchUp/testup-2,thomthom/testup-2,thomthom/testup-2,SketchUp/testup-2,SketchUp/testup-2,SketchUp/testup-2,thomthom/testup-2,SketchUp/testup-2,SketchUp/testup-2,thomthom/testup-2,thomthom/testup-2