Move the inherit of the 'Invoice' button of payment.order from account_banking_payment_transfer to account_banking_payment_export
Demo data: Add a bank account + mandate on Agrolait, to be able to easily test multi-partner SEPA DD
There is no need to set the name on the transfer move as the same
information is present in the move lines labels. Moreover setting
the name of the move will prevent the system to number it according
to the sequence.
Otherwise, it is not possible to execute such payment order if the
payment mode has a transfer account. And I can't see how it could
make sense if the transfer move cannot be reconciled in the first place.
We drop the bank statement related part and we manage
the state of payment order with workflow transitions
triggered by the reconciliation of moves lines on the
transfer account.
