[GNC] Any way to "unpay" (reverse payment of bill)?

[Eric Chapman]

One can unpost a bill from vendor, but if one has already clicked the 
"Pay" button and followed through with that, the bill still looks as if 
it is "paid" in the vendor report. Can I "unpay" a bill?

I'm paying by credit card, so it's really not that I'm unpaying (which 
one could never do if a check were already issued or a wire transfer 
initiated).

My problem has to do with GnuCash's aggravating default dates. I enter a 
bill from January 2022, and when I click "Pay", GnuCash automatically 
inserts today's date, even though it was paid via credit card months ago.

Thanks for your advice!

-- 
Eric Chapman
GnuCash 4.13 on MacOS 13.1 Ventura running on 2018 Mac Mini (3.2 GHz 6-Core Intel Core i7)