What dates are the original flights, and when did you want to fly LIH-OGG? With more specifics, we can help you find what’s available now. Though impossible to go back to what you had. Any changes will re-fare the entire itinerary at current rates (same with cash tickets) - it basically is no different than canceling and starting new.

honestly, after booking and with the same itin at higher rates than before, you might have been better off just buying the inter-island flights separately and leaving the existing awards as is. Have no idea on LIH-OGG specifically, but know I have seen other inter-Island fares that are like $60 or $70 per person.