Opting out of the trial features won’t fix your problem, because the position / scale box is not part of them, it’s part of the UI update. But yours doesn’t look right, and Support is trying to figure out why, so it will help if you can cooperate with them.
What version of Chrome did you install? If it’s not too old, you might be able to use @chris1’s “fix” that’s posted here: Unsupported hacks to mess with the Precision Placement box
And no, @chris1 and I are not Glowforge employees, just other users with experience who are trying to help you help Support figure out what’s going on with your interface. Support people’s messages will be in yellow, and it will say “Staff” next to their names.