Currently you can only create a payment for bill if

1. the bill or the bank account is the same as the organisation base currency, or
2. the bill and the bank account is the same currency.

Please add support for the case where the bill and bank account have different currencies, neither of which is the organisation base currency.

I get the following validation error through the API when attempting this:
"The invoice, payment and organisation base currencies are all different. Xero cannot currently handle a 3-currency transaction."

Related: https://central.xero.com/s/question/0D51N00004Xp9THSAZ/xero-wont-let-me-reconcile-two-payments-in-different-currencies