[Billing] Add refund supermapped class

src/Parthenon/Billing/Refund/RefundManager.php

@@ -34,6 +34,7 @@
 use Parthenon\Billing\Enum\RefundStatus;
 use Parthenon\Billing\Event\RefundCreated;
 use Parthenon\Billing\Exception\RefundLimitExceededException;
+use Parthenon\Billing\Factory\EntityFactoryInterface;
 use Parthenon\Billing\Repository\PaymentRepositoryInterface;
 use Parthenon\Billing\Repository\RefundRepositoryInterface;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
@@ -45,6 +46,7 @@ public function __construct(
         private PaymentRepositoryInterface $paymentRepository,
         private RefundRepositoryInterface $refundRepository,
         private EventDispatcherInterface $dispatcher,
+        private EntityFactoryInterface $entityFactory,
     ) {
     }
 
@@ -118,7 +120,7 @@ protected function createEntityRecord(\Obol\Model\Refund $refund, ?BillingAdminI
             $payment->setStatus(PaymentStatus::PARTIALLY_REFUNDED);
         }
         $this->paymentRepository->save($payment);
-        $refundEn = new Refund();
+        $refundEn = $this->entityFactory->getRefundEntity();
         $refundEn->setAmount($refund->getAmount());
         $refundEn->setCurrency(strtoupper($refund->getCurrency()));
         $refundEn->setExternalReference($refund->getId());

src/Parthenon/Resources/config/services/billing.xml

@@ -270,6 +270,7 @@
             <argument type="service" id="Parthenon\Billing\Repository\PaymentRepositoryInterface" />
             <argument type="service" id="Parthenon\Billing\Repository\RefundRepositoryInterface" />
             <argument type="service" id="Symfony\Component\EventDispatcher\EventDispatcherInterface" />
+            <argument type="service" id="Parthenon\Billing\Factory\EntityFactoryInterface" />
         </service>
         <service id="Parthenon\Billing\Refund\RefundManagerInterface" alias="Parthenon\Billing\Refund\RefundManager" />