Content Security Policy (#5790)

* Adding CSP headers.

* Adding Content-Security-Policy headers.

* Fixing test.

* CSP in ws server responses.

js/src/ui/DappIcon/dappIcon.js

@@ -41,7 +41,7 @@ export default class DappIcon extends Component {
         src={
           app.type === 'local'
             ? `${dappsUrl}/${app.id}/${app.iconUrl}`
-            : `${dappsUrl}${app.image}`
+            : `${app.image}`
         }
       />
     );

js/src/ui/DappIcon/dappIcon.spec.js

@@ -64,7 +64,7 @@ describe('ui/DappIcon', () => {
 
   it('renders other apps with correct URL', () => {
     expect(render({ app: { id: 'test', image: '/test.img' } }).props().src).to.equal(
-      `${DAPPS_URL}/test.img`
+      `/test.img`
     );
   });
 });