[FIX][l10n_it_withholding_tax] Fix amount residual reconciled for inv…

…oice with withholding tax

Co-authored-by: Alessandro Camilli <[email protected]>

l10n_it_withholding_tax/models/account.py

@@ -75,7 +75,13 @@ def create(self, vals):
                 )
                 == 1
             ):
-                vals.update({"amount": invoice.amount_net_pay})
+                vals.update(
+                    {
+                        "amount": invoice.amount_net_pay,
+                        "credit_amount_currency": invoice.amount_net_pay,
+                        "debit_amount_currency": invoice.amount_net_pay,
+                    }
+                )
 
         # Create reconciliation
         reconcile = super(AccountPartialReconcile, self).create(vals)
@@ -375,6 +381,13 @@ def _compute_amount_withholding_tax(self):
             for line in reconciled_amls:
                 if not line.withholding_tax_generated_by_move_id:
                     amount_net_pay_residual -= line.debit or line.credit
+            if (
+                float_compare(
+                    amount_net_pay_residual, 0, dp_obj.precision_get("Account")
+                )
+                == -1
+            ):
+                amount_net_pay_residual = 0
             invoice.amount_net_pay_residual = float_round(
                 amount_net_pay_residual, dp_obj.precision_get("Account")
             )