I’m so beyond fucking tired of changing my about:config over and over and over and over to reallow myself to drag files to my desktop. Why the fuck is this so important for Mozilla to change on me every single time? Let me keep my settings how I fucking want them!
You should be able to achieve that by creating an appropriate policies.json file.
If they knew how to do that they wouldnt be here. https://www.codeproject.com/Tips/5356799/How-to-Place-Mozilla-Firefox-Browser-under-Lockdow