GraphQl-45: Product textarea field format

-- Update benchmarks scenarios according to updated GraphQL Schema

Author: Valeriy Nayda

dev/tests/api-functional/testsuite/Magento/GraphQl/Catalog/UrlRewritesTest.php

@@ -33,8 +33,10 @@ public function testProductWithNoCategoriesAssigned()
         items {
             name,
             sku,
-            description,
-          	url_rewrites {
+            description {
+                html
+            }
+            url_rewrites {
               url,
               parameters {
                 name,
@@ -87,8 +89,10 @@ public function testProductWithOneCategoryAssigned()
         items {
             name,
             sku,
-            description,
-          	url_rewrites {
+            description {
+                html
+            }
+            url_rewrites {
               url,
               parameters {
                 name,