update content loading and error handling

unwind error handling

use auth cookie as source of truth, fetch config only when authenticated

__tests__/pages/Organizations/Organizations.test.jsx

@@ -2,6 +2,8 @@ import React from 'react';
 import { mountWithContexts } from '../../enzymeHelpers';
 import Organizations from '../../../src/pages/Organizations/Organizations';
 
+jest.mock('../../../src/api');
+
 describe('<Organizations />', () => {
   test('initially renders succesfully', () => {
     mountWithContexts(