What does it mean to "pay to a psbt"?
1 hour between creating this issue and having the feature implemented: https://github.com/sparrowwallet/sparrow/issues/1129

Discussion
[Partially Signed Bitcoin Transaction](https://thebitcoinmanual.com/articles/what-is-psbt/)
I know what a psbt is, but I do not understand how one could pay to a psbt - that language sounds like the psbt is the target address for a payment