Move active filter for bank accounts of party to use "used"-field

Closes #13803

modules/account_payment_sepa/payment.py

@@ -435,7 +435,7 @@ class Payment(metaclass=PoolMeta):
             if self.sepa_mandate:
                 return self.sepa_mandate.account_number
         else:
-            for account in self.party.bank_accounts:
+            for account in self.party.bank_accounts_used:
                 for number in account.numbers:
                     if number.type == 'iban':
                         return number

modules/account_payment_sepa/tests/test_module.py

@@ -274,7 +274,7 @@ class AccountPaymentSepaTestCase(CompanyTestMixin, ModuleTestCase):
             bank_account = BankAccount(
                 numbers=[other_account_number, iban_account_number])
             party = Party(
-                bank_accounts=[bank_account])
+                bank_accounts_used=[bank_account])
             payment = Payment(kind='payable', party=party)
 
             self.assertEqual(id(payment.sepa_bank_account_number),

modules/bank/party.py

@@ -8,7 +8,9 @@ from trytond.transaction import Transaction
 class Party(metaclass=PoolMeta):
     __name__ = 'party.party'
     bank_accounts = fields.Many2Many(
-        'bank.account-party.party', 'owner', 'account', "Bank Accounts",
+        'bank.account-party.party', 'owner', 'account', "Bank Accounts")
+    bank_accounts_used = fields.Many2Many(
+        'bank.account-party.party', 'owner', 'account', "Bank Accounts Used",
         filter=[('active', '=', True)])
 
     @classmethod