B2B-2404: Optimize Product Permissions in GraphQL resolver

Author: joanhe

app/code/Magento/GroupedProductGraphQl/etc/graphql/di.xml

@@ -58,4 +58,12 @@
             <argument name="productResolver" xsi:type="object">Magento\CatalogGraphQl\Model\Resolver\Products\DataProvider\Deferred\ChildProduct</argument>
         </arguments>
     </type>
+    <virtualType name="Magento\GroupedProductGraphQl\Model\Resolver\GroupedItems\Product"
+                 type="Magento\CatalogGraphQl\Model\Resolver\Product">
+        <arguments>
+            <argument name="productDataProvider" xsi:type="object">
+                Magento\CatalogGraphQl\Model\Resolver\Products\DataProvider\Deferred\ChildProduct
+            </argument>
+        </arguments>
+    </virtualType>
 </config>

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

@@ -8,7 +8,7 @@ type GroupedProduct implements ProductInterface, RoutableInterface, PhysicalProd
 type GroupedProductItem @doc(description: "Contains information about an individual grouped product item."){
     qty: Float @doc(description: "The quantity of this grouped product item.")
     position: Int @doc(description: "The relative position of this item compared to the other group items.")
-    product: ProductInterface @doc(description: "Details about this product option.") @resolver(class: "Magento\\CatalogGraphQl\\Model\\Resolver\\Product")
+    product: ProductInterface @doc(description: "Details about this product option.") @resolver(class: "Magento\\GroupedProductGraphQl\\Model\\Resolver\\GroupedItems\\Product")
 }
 
 type GroupedProductWishlistItem implements WishlistItemInterface @doc(description: "A grouped product wish list item.") {