Widgets can no longer take focus after clicking somewhere other than the widget itself

Widgets can no longer take focus after clicking somewhere other than the widget itself. The input mode appears to change, but does not change back when clicking widgets

Note: This issue did not appear to be happening in 4.13

1. Down load the attached project
2. Open the project
3. Play in editor
4. Click on the buttons
5. Notice the buttons can be clicked and highlighted during hover
6. Click off of the widget
7. Notice the buttons can no longer be clicked or hovered over

Expected: If the mouse is showing and a widget is clicked, the input mode will change to interact with the widget
Result: The input mode appears to change, but does not change back when clicking widgets