Move survey button to footer (#897)

* Move survey button to header

- remove SurveyFab component as it's no longer a FAB
- place button in heading
- add tests
- add pageStyles module

* Add retry and timeout to failing test

* Move survey button to bottom of page

* Fix surveyButton failing a11y

- udpate snapshots

* Align survey button to Contact nav link

client/src/components/J40Footer.tsx

@@ -8,6 +8,7 @@ import {useIntl} from 'gatsby-plugin-intl';
 
 import J40MainGridContainer from './J40MainGridContainer';
 import {hyphenizeString} from '../../cypress/integration/common/helpers';
+import SurveyButton from './SurveyButton';
 
 // @ts-ignore
 import whitehouseIcon from '../images/eop-seal.svg';
@@ -111,6 +112,7 @@ const J40Footer = () => {
           />
         </J40MainGridContainer>
       </div>
+      <SurveyButton />
     </footer>
   );
 };