Nope - it’s a normal Multiline input. There is definitely no Focus being triggered either.
This seems to be a Bubble issue: Autofocus Input Do NOT Do
The solution in that thread is a visual hack (remove the focus styling) and would not help me.
It seems my Hack above - to Scroll to the Featured Image, works a few times, then Bubble takes over and starts scrolling back to the “focussed” Multiline Input.