[Glitch] Open video modal on public UI

Port d9b2f84c92 to glitch-soc

app/javascript/flavours/glitch/components/status.js

@@ -259,8 +259,8 @@ export default class Status extends ImmutablePureComponent {
     }
   };
 
-  handleOpenVideo = startTime => {
-    this.props.onOpenVideo(this.props.status.getIn(['media_attachments', 0]), startTime);
+  handleOpenVideo = (media, startTime) => {
+    this.props.onOpenVideo(media, startTime);
   }
 
   handleHotkeyReply = e => {