[ECP-9771-v9] Add application info to gift card requests (#3124)

Author: candemiralp

Gateway/Http/Client/TransactionPayment.php

@@ -123,6 +123,8 @@ public function placeRequest(TransferInterface $transferObject): array
         $responseCollection['hasOnlyGiftCards'] = false;
 
         try {
+            $requestData['applicationInfo'] = $this->adyenHelper->buildApplicationInfo($client);
+
             list($requestData, $giftcardResponseCollection) = $this->processGiftcards($requestData, $service);
 
             /** @var array $responseCollection */
@@ -135,7 +137,6 @@ public function placeRequest(TransferInterface $transferObject): array
                 }
             }
 
-            $requestData['applicationInfo'] = $this->adyenHelper->buildApplicationInfo($client);
             $paymentRequest = new PaymentRequest($requestData);
 
             $idempotencyKey = $this->idempotencyHelper->generateIdempotencyKey(

Helper/GiftcardPayment.php

@@ -19,6 +19,7 @@
 class GiftcardPayment
 {
     const VALID_GIFTCARD_REQUEST_FIELDS = [
+        'applicationInfo',
         'merchantAccount',
         'shopperReference',
         'shopperEmail',