Allow to correct amount of manual payment
When using payment to process checks, it can happen that the amount read on the check by the user is different than the amount the bank will read. So for that we should be able to correct the amount of the payment to reflect the value read by the bank. I propose to add a wizard available only on manual payment which update the amount of the payment but also recreate the clearing move (and try to reconcile with #11173 (closed)).