Added follow requests to notifications page

• Added:
- follow requests to notifications

• Updated:
- ui.js will mount to listen for path for follow_requests to set filter
- notification action expandNotifications to not request if filter is follow_request
- order of notification_filters
- AccountAuthorize
- FollowRequest page

app/javascript/gabsocial/constants.js

@@ -97,6 +97,7 @@ export const NOTIFICATION_FILTERS = [
   'mention',
   'favourite',
   'reblog',
-  'poll',
   'follow',
+  'poll',
+  'follow_requests',
 ]