I know this might be a silly request but if you still have the project files I'd be really thankful if you could make a mac export download available! Defold makes it really easy and you wouldn't need to do any additional steps or add anything besides clicking Bundle > Mac > 64bit/Universal instead of Bundle > Windows > 64bit
The game is actually open source. If you want to build a particular version for yourself, you can get the source project here: https://github.com/benjames-171/defold-games