"Select All Descendants" shortcut doesn't work in folders

The shortcut for "Select All Descendants" doesn't select the contents in the selected folder in the World Outliner. Using the right-click method works exactly as expected.

This was reported and tested in 4.23.1 (CL-9631420). This was reproduced in 4.24.1 (CL-10757647) and Main 4.25 (CL-11115776).

1. Open the UE4 Editor and create a Blank Project with Starter Content
2. Right-click on one of the folders in the World Outliner (ex. StaticMeshes) and click "Select All Descendants"
3. Left-click on the same folder and use "Ctrl+Shift+D"

Results: Folder content isn't selected.

Expected: For the contents to be selected in the World Outliner and Level