Merge pull request #5214 in SW/shopware from sw-19266/5.3/fix-basket-signature to 5.3

* commit '9eb3b041053d81b940c07d5aba4b616dfbb4ba16':
  SW-19266 - Pass actual basket structure to basket signature generator during payment. fixes shopware/shopware#1200

Author: janbuecker

engine/Shopware/Controllers/Frontend/Checkout.php

@@ -1880,7 +1880,7 @@ private function persistBasket()
         /** @var BasketSignatureGeneratorInterface $generator */
         $generator = $this->get('basket_signature_generator');
         $basket = $this->session->offsetGet('sOrderVariables')->getArrayCopy();
-        $signature = $generator->generateSignature($basket, $this->session->get('sUserId'));
+        $signature = $generator->generateSignature($basket['sBasket'], $this->session->get('sUserId'));
 
         /** @var BasketPersister $persister */
         $persister = $this->get('basket_persister');