File Upload not visible when chat editor is in full-screen mode

Reproduction Instructions

  1. Load Phabricator in IE11
  2. Go To A Chat
  3. Enter chat textarea
  4. Open full screen mode
  5. Open the file upload dialog

The overlay from the upload is always behind the full screen mode window and not usable.

The z-index of .jx-client-dialog is current on 14;

The z-index of .remarkup-control-fullscreen-mode is current on 50;

Phabricator/Arcanist Version


.remarkup-control-fullscreen-mode {
  z-index: 50;

.jx-client-dialog {
  z-index: 51;

.jx-tooltip-container {
  z-index: 52;