Hey Mary! Glad to hear the in-person interview went well! I wouldn’t worry too much yet about not hearing back from them, although you can certainly send a follow/thank you note (if you haven’t already) to hopefully prompt a response sooner.
And the new opening on your friend’s team sounds interesting! Definitely worth looking more into, at least. And if you decide to apply for it, I’d just be honest that you’re most interested in Instructional Design — who knows, maybe there’s a way of getting the best of both worlds!