Key events are lost during a transition if a navigation operation is executed as a result of a button being clicked in the ActionBar

Steps to reproduce:
1. Run the attached project
2. Click on the Go button in the action bar
3. During the transition press the back key

Actual Results:
On Device: The application will return to the home screen
On Desktop: The application will remain on the new view

The problem is that the Go button in the actionBar grabs the keyboard focus and then is removed from the displayList. Since the component is no longer on the display list, all key events are lost until ViewNavigator forcefully updates the focus after the transition.

Expected Results:
In both cases, the application should animate back to the previous view after the transition completes.

Workaround (if any):