Any experts on this topic?

Trump appears to be sitting in the old Oval Office design from Obama with the striped wallpaper. Trump changed the Oval Office to the less bold wallpaper.

There is no voodoo here. Question everything, but I think we can stop with this rumor. Biden is photographed in Trump's renovated Oval Office, and Trump is photographed in Obama's renovated Oval Office

https://www.newsweek.com/president-obamas-oval-office-remodel-213690

https://www.businessinsider.com/photos-white-house-oval-office-renovated-trump-2017-8#this-is-the-oval-office-photographed-on-tuesday-after-renovations-2

This is Trump's renovated Oval Office. You can see the same drapes in the second photo of my original post above