The second is used for flashing and supposed to disappear later. As we don’t know which one, drivers are usually replaced in both.
Me neither.
Probably an error when loading the dxe driver.
Looks like you’ll need to persuade GPD if you want smu debug options back. I can’t do anyhing with 3.06 bios to show up the options.
I know you attempted with it first, but you forgot to download a json file for offsets. Aod data is often oitside of SetupData driver and Setup driver. And uefi editor can accept other drivers than Setup one, in spite of what you can read from the guide.