Yea this one has been tricky. I have not been able to find the code that moves these elements. Primarily it has been difficult because a lot of things are labeled as Garrison since they used that as a template, so I don't know if i am looking in the wrong place or what. Probably not something I will be able to have the time to implement.
I only see it moving the player frame, target frame and buff frame. You may have luck unlocking the player and target frames (right click and under the Move option) to make them stay put.