DrawerHeader → Header + HeaderContainer

app/javascript/flavours/glitch/features/compose/containers/header_container.js

@@ -0,0 +1,21 @@
+import { openModal } from 'flavours/glitch/actions/modal';
+import { connect }   from 'react-redux';
+import Header from '../components/header';
+
+const mapStateToProps = state => {
+  return {
+    columns: state.getIn(['settings', 'columns']),
+    unreadNotifications: state.getIn(['notifications', 'unread']),
+    showNotificationsBadge: state.getIn(['local_settings', 'notifications', 'tab_badge']),
+  };
+};
+
+const mapDispatchToProps = (dispatch, { intl }) => ({
+  onOpenSettings (e) {
+    e.preventDefault();
+    e.stopPropagation();
+    dispatch(openModal('SETTINGS', {}));
+  },
+});
+
+export default connect(mapStateToProps, mapDispatchToProps)(Header);