graphQl-509: save_in_address_book has no impact on Address Book

Author: kisroman

app/code/Magento/QuoteGraphQl/Model/Cart/GetShippingAddress.php

@@ -72,6 +72,26 @@ public function execute(ContextInterface $context, array $shippingAddressInput):
             );
         }
 
+        $shippingAddress = $this->createShippingAddress($context, $customerAddressId, $addressInput);
+
+        return $shippingAddress;
+    }
+
+    /**
+     * Create shipping address.
+     *
+     * @param ContextInterface $context
+     * @param int|null $customerAddressId
+     * @param array|null $addressInput
+     *
+     * @return \Magento\Quote\Model\Quote\Address
+     * @throws GraphQlAuthorizationException
+     */
+    private function createShippingAddress(
+        ContextInterface $context,
+        ?int $customerAddressId,
+        ?array $addressInput
+    ) {
         $customerId = $context->getUserId();
 
         if (null === $customerAddressId) {