Hawaiian Airlines, Douglas Engineering Pacific, Architects Hawaii Ltd. and Ferraro Choi and Associates Ltd. all have fairly unique office spaces in Honolulu. But their pads all have at least one thing in common: a sort of openness to their spaces. Click on the photo for a slideshow. Hawaiian Airlines President and CEO Mark Dunkerley told me in a recent interview that he had been thinking of moving the state’s flagship air carrier’s corporate office to a more open configuration for about five…