bdk and payjoin integration error

[BitcoinZavior]

Using bdk with payjoin results in payjoin throwing The receiver sent an invalid response: proposed transaction outputs contain key paths

Steps to replicate: Follow the steps for Running the integration tests: https://github.com/LtbLightning/payjoin-ffi?tab=readme-ov-file#running-the-integration-test

Run the integration test which uses bdk: cargo test --package payjoin_ffi --test bdk_integration v1_to_v1_full_cycle
This will result in ResponseError { message: "The receiver sent an invalid response: proposed transaction outputs contain key paths" }

Versions: This uses the pre-alpha release v0.29 https://github.com/bitcoindevkit/bdk/releases/tag/v0.29.0

[BitcoinZavior]

There is a similar issue which was fixed in bdk ffi 1.0 alpha: : bitcoindevkit/bdk#1243

There is an alternate fix in rust payjoin here: Depends on payjoin/rust-payjoin#270

[DanGould]

This should be closed by #28 and payjoin v0.17.0