Fix isInternalUrl for subdomain support

Refactor / reduce plumbing

app/components/RouteSidebarHidden.js

@@ -0,0 +1,28 @@
+// @flow
+import * as React from 'react';
+import { inject } from 'mobx-react';
+import { Route } from 'react-router-dom';
+import UiStore from 'stores/UiStore';
+
+type Props = {
+  ui: UiStore,
+  component: *,
+};
+
+class RouteSidebarHidden extends React.Component<Props> {
+  componentDidMount() {
+    this.props.ui.enableEditMode();
+  }
+
+  componentWillUnmount() {
+    this.props.ui.disableEditMode();
+  }
+
+  render() {
+    const { component, ui, ...rest } = this.props;
+    const Component = component;
+    return <Route {...rest} render={props => <Component {...props} />} />;
+  }
+}
+
+export default inject('ui')(RouteSidebarHidden);