Add follow request banner on account header (#20785)

* Add requested_by to relationship maps

* Display whether an account has requested to follow you on their profile

app/javascript/mastodon/features/account/containers/follow_request_note_container.js

@@ -0,0 +1,15 @@
+import { connect } from 'react-redux';
+import FollowRequestNote from '../components/follow_request_note';
+import { authorizeFollowRequest, rejectFollowRequest } from 'mastodon/actions/accounts';
+
+const mapDispatchToProps = (dispatch, { account }) => ({
+  onAuthorize () {
+    dispatch(authorizeFollowRequest(account.get('id')));
+  },
+
+  onReject () {
+    dispatch(rejectFollowRequest(account.get('id')));
+  },
+});
+
+export default connect(null, mapDispatchToProps)(FollowRequestNote);