Your setup looks a lot better now.

If your humidity is normally at 70%, then there is no need to treat the screen lid, it will just raise your humidity more.

Your last option shouldn't be force feeding. You should never have to force feed a bp who is in a proper environment. There are plenty of things you can try before resorting to force feeding.

Leave her alone for a week to see how she does with the new setup. If you see her start using her hides during the day and doing some "looking for food" cruising (not to be confused with "trying to get out" cruising) then try putting in a small rat pinky and see if she goes for it.

You need to learn how to read your snake so that you can judge whether or not it is hungry, stressed, or happy.