Focus not on an element after making a selection in dropdown inline edit

Steps to reproduce:

1. Open the dropdown inline edit manual test
2. Using the keyboard focus the dropdown inline edit
3. Press the "enter" key to go into edit mode
4. Select an option
5. Press the "enter" key to save the selection

Notice that no elements appear to have focus. If you were to cancel the selection instead of saving it. The dropdown would close and focus would remain.