GraphQL: Optimize queries, fixes some null returns (on object), fix stitched GraphQLUpload (#6709)

* Optimize query, fixes some null returns, fix stitched GraphQLUpload

* Fix authData key selection

* Prefer Iso string since other GraphQL solutions use this format

* fix tests

Co-authored-by: Antonio Davi Macedo Coelho de Castro <adavimacedo@gmail.com>

src/GraphQL/helpers/objectsMutations.js

@@ -5,8 +5,16 @@ const createObject = async (className, fields, config, auth, info) => {
     fields = {};
   }
 
-  return (await rest.create(config, auth, className, fields, info.clientSDK, info.context))
-    .response;
+  return (
+    await rest.create(
+      config,
+      auth,
+      className,
+      fields,
+      info.clientSDK,
+      info.context
+    )
+  ).response;
 };
 
 const updateObject = async (
@@ -21,15 +29,17 @@ const updateObject = async (
     fields = {};
   }
 
-  return (await rest.update(
-    config,
-    auth,
-    className,
-    { objectId },
-    fields,
-    info.clientSDK,
-    info.context
-  )).response;
+  return (
+    await rest.update(
+      config,
+      auth,
+      className,
+      { objectId },
+      fields,
+      info.clientSDK,
+      info.context
+    )
+  ).response;
 };
 
 const deleteObject = async (className, objectId, config, auth, info) => {

src/GraphQL/helpers/objectsQueries.js

@@ -7,7 +7,7 @@ import { transformQueryInputToParse } from '../transformers/query';
 /* eslint-disable*/
 const needToGetAllKeys = (fields, keys, parseClasses) =>
   keys
-    ? keys.split(',').some((keyName) => {
+    ? keys.split(',').some(keyName => {
         const key = keyName.split('.');
         if (fields[key[0]]) {
           if (fields[key[0]].type === 'Pointer') {
@@ -19,7 +19,11 @@ const needToGetAllKeys = (fields, keys, parseClasses) =>
               // Current sub key is not custom
               return false;
             }
-          } else if (!key[1]) {
+          } else if (
+            !key[1] ||
+            fields[key[0]].type === 'Array' ||
+            fields[key[0]].type === 'Object'
+          ) {
             // current key is not custom
             return false;
           }
@@ -156,7 +160,7 @@ const findObjects = async (
 
   if (
     selectedFields.find(
-      (field) => field.startsWith('edges.') || field.startsWith('pageInfo.')
+      field => field.startsWith('edges.') || field.startsWith('pageInfo.')
     )
   ) {
     if (limit || limit === 0) {