My thought is if you want to use AR, Virtual Desktop doesn't offer any functionality. You should invest the time and effort into getting ALXR working. I compiled a version of ALXR that uses green for passthrough, so I'd advise using that.
I did use a Quest 2 and the ALXR client sideloaded on my Quest 2 with the ALVR server installed on my PC. You can find detailed instructions that I posted in the below thread:
https://hub.virtamate.com/threads/does-this-quest-2-passthrough-trick-still-work.25728/post-69843
My screenshot was from VAM with passthrough, not Captain Hardcore. Here's a screenshot showing a VAM menu. I'm using an Oculus Quest 2, thus the B&W passthrough. No way around it I'm afraid ...