Improve callCloudCode mutation to receive a CloudCodeFunction enum instead of a String (#6029)

* Add listing test

* Improvements

* Fixinf package.json

* Fix package.json

* Fix tests

src/GraphQL/ParseGraphQLServer.js

@@ -33,6 +33,7 @@ class ParseGraphQLServer {
       databaseController: this.parseServer.config.databaseController,
       log: this.log,
       graphQLCustomTypeDefs: this.config.graphQLCustomTypeDefs,
+      appId: this.parseServer.config.appId,
     });
   }