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/layout.tsx

@@ -1,10 +1,10 @@
 import React, {ReactNode} from 'react';
+import {Helmet} from 'react-helmet';
+
+import {URLFlagProvider} from '../contexts/FlagContext';
+
 import J40Header from './J40Header';
 import J40Footer from './J40Footer';
-import {URLFlagProvider} from '../contexts/FlagContext';
-import {Helmet} from 'react-helmet';
-import SurveyFab from './SurveyFab';
-
 interface ILayoutProps {
   children: ReactNode,
   location: Location,
@@ -31,7 +31,6 @@ const Layout = ({children, location, title}: ILayoutProps) => {
         <J40Header />
         <main id={'main-content'}>
           {children}
-          <SurveyFab />
         </main>
         <J40Footer/>
       </URLFlagProvider>