Fix bug with passing cookies in web ui

config/dev.yml

@@ -41,7 +41,7 @@ auth:
     version: 5.2
 
     # Found in 'Rails.application.config.secret_key_base'
-    secret_key_base: 0a248500a64c01184edbf8097ac...
+    secret_key_base: 0a248500a64c01184edb4d7ad3a805488f8097ac761b76aaa6c17c01dcb7af03a2f18ba61b2868134b9c7b79a122bc0dadff4367414a2d173297bfea92be5566
 
     # Remote cookie store. (memcache or redis)
     # url: redis://redis:6379

web/src/App.js

@@ -43,11 +43,11 @@ class App extends Component {
         <Playground 
           endpoint="/api/v1/graphql"
           settings={{
-            'schema.polling.enable': false,
-            'request.credentials': 'include',
-            'general.betaUpdates': true,
-            'editor.reuseHeaders': true,
-            'editor.theme': 'dark'
+            "schema.polling.enable": false,
+            "request.credentials": "include",
+            "general.betaUpdates": true,
+            "editor.reuseHeaders": true,
+            "editor.theme": "dark"
           }} 
         />
         </Provider>