Hi!
I got used to the commotion of having the small Skeleton mode somewhere on the screen where I can quickly select elements. Especially when they are not rendered in the builder, for any of the reasons.
Right now, getting to the Skeleton mode (New Layout pane), removes the Inspector from the view, so we have to do additional clicks to navigate around.
If that is not a technical/performance issue, I think that there could be an option in the X/Pro settings to turn the small Skeleton mode availability on/off. So we can choose if we want it or not.