Allow video to be expanded into lightbox

app/assets/javascripts/components/features/ui/components/modal_root.jsx

@@ -1,10 +1,12 @@
 import PureRenderMixin from 'react-addons-pure-render-mixin';
 import MediaModal from './media_modal';
+import VideoModal from './video_modal';
 import BoostModal from './boost_modal';
 import { TransitionMotion, spring } from 'react-motion';
 
 const MODAL_COMPONENTS = {
   'MEDIA': MediaModal,
+  'VIDEO': VideoModal,
   'BOOST': BoostModal
 };