ACP2E-3255: [GRAPHQL] model value should be specified when getting customerCart

 - Fixed the CR comments.

Author: devarul

app/code/Magento/Quote/Model/CreateEmptyCartForCustomer.php

@@ -696,7 +696,9 @@ protected function _prepareCustomerQuote($quote)
                 }
                 //save here new customer address
                 $shippingAddress->setCustomerId($quote->getCustomerId());
-                $this->addressRepository->save($shippingAddress);
+                if (!$shippingAddress->getId()) {
+                    $this->addressRepository->save($shippingAddress);
+                }
                 $quote->addCustomerAddress($shippingAddress);
                 $shipping->setCustomerAddressData($shippingAddress);
                 $this->addressesToSync[] = $shippingAddress->getId();
@@ -728,7 +730,9 @@ protected function _prepareCustomerQuote($quote)
                     $billingAddress->setIsDefaultBilling(true);
                 }
                 $billingAddress->setCustomerId($quote->getCustomerId());
-                $this->addressRepository->save($billingAddress);
+                if (!$billingAddress->getId()) {
+                    $this->addressRepository->save($billingAddress);
+                }
                 $quote->addCustomerAddress($billingAddress);
                 $billing->setCustomerAddressData($billingAddress);
                 $this->addressesToSync[] = $billingAddress->getId();

app/code/Magento/Quote/Model/QuoteManagement.php

@@ -79,8 +79,4 @@
         <plugin name="merge_guest_orders_with_customer_after_place"
                 type="Magento\QuoteGraphQl\Plugin\Model\MergeGuestOrder" />
     </type>
-    <type name="Magento\Quote\Model\Cart\CustomerCartResolver">
-        <plugin name="create_customer_cart"
-                type="Magento\QuoteGraphQl\Plugin\Model\Cart\CustomerEmptyCartResolver" />
-    </type>
 </config>