there's probably never going to be an official patch, game is too old, BUT some clever person found a workaround, should work for Dr. Lunatic as well as Supreme with Cheese:
https://itch.io/t/1748573/how-to-avoid-the-museum-bug
https://www.twitch.tv/videos/742948123
I followed that, and it does work for me, so you should be able to 100% it!