Use case:
Company is in USD, create a bank journal in euro and set euro currency to 0.9
Create invoice for 80 EUR and pay it. Then create a bank statement of 85 EUR in newly created journal and use reconciliation widget to reconcile statement and payment. Put the remaining 5 EUR as writeoff in bank fees. The move created for those 5 EUR wrongly computed the amount_currency of the counterpart, this commit fix this problem.
OPW: 706708
PR #15306