I edited a handlers.json file for our users that I would like to push out for all new firefox installs. I tried placing this file in the "defaults" folder in my firefox directory, but it doesn't appear to be correctly copying over to any new profile made. If I manually copy the handlers.json file to the new profile folder, I do see the changes reflected. Where do I need to place this file in order to push it out? I tried <firefox>/defaults, <firefox>/defaults/prefs, <firefox>/browser/defaults and none appeared to work. I did paste my code contents into a linter to verify there were no errors. Thanks.