LYNX-311: Replaced paginated_items by itemsV2

Author: svera

app/code/Magento/QuoteGraphQl/etc/schema.graphqls

@@ -228,8 +228,8 @@ type PlaceOrderOutput @doc(description: "Contains the results of the request to
 
 type Cart @doc(description: "Contains the contents and other details about a guest or customer cart.") {
     id: ID! @resolver(class: "\\Magento\\QuoteGraphQl\\Model\\Resolver\\MaskedCartId") @doc(description: "The unique ID for a `Cart` object.")
-    items: [CartItemInterface] @resolver(class: "\\Magento\\QuoteGraphQl\\Model\\Resolver\\CartItems") @doc(description: "An array of products that have been added to the cart.")
-    paginated_items(pageSize: Int = 20, currentPage: Int = 1): CartItems @resolver(class: "\\Magento\\QuoteGraphQl\\Model\\Resolver\\CartItemsPaginated")
+    items: [CartItemInterface] @deprecated(reason: "Use `itemsV2` instead.") @resolver(class: "\\Magento\\QuoteGraphQl\\Model\\Resolver\\CartItems") @doc(description: "An array of products that have been added to the cart.")
+    itemsV2(pageSize: Int = 20, currentPage: Int = 1): CartItems @resolver(class: "\\Magento\\QuoteGraphQl\\Model\\Resolver\\CartItemsPaginated")
     applied_coupon: AppliedCoupon @resolver(class: "\\Magento\\QuoteGraphQl\\Model\\Resolver\\AppliedCoupon") @deprecated(reason: "Use `applied_coupons` instead.")
     applied_coupons: [AppliedCoupon] @resolver(class: "\\Magento\\QuoteGraphQl\\Model\\Resolver\\AppliedCoupons") @doc(description:"An array of `AppliedCoupon` objects. Each object contains the `code` text attribute, which specifies the coupon code.")
     email: String @resolver (class: "\\Magento\\QuoteGraphQl\\Model\\Resolver\\CartEmail") @doc(description: "The email address of the guest or customer.")