Fix video chat name

 <script src=//cdn.jsdelivr.net/npm/drag-drop@latest/dragdrop.min.js></script>
 <script>
 $if "session" in tx.user and tx.user.session.get("uid", None):
-    $ username = '$tx.user.session["name"][0]'
+    $ username = tx.user.session["name"][0]
 $else:
     $ username = 'Guest'
 let userName = '$username'