am d4880185: am 4a557dc9: am f1435b73: remove the dummy sidenav from samples before populating the real list. Also make the line numbers hidden before they get moved to avoid some jankyness during load.

* commit 'd4880185':
  remove the dummy sidenav from samples before populating the real list. Also make the line numbers hidden before they get moved to avoid some jankyness during load.