If we type any location name inside "Location" field in configuration window than natural action is to hit ENTER key to search for given place. But if we hit ENTER than configuration window is closed.

Reproducible: Always

Steps to Reproduce:
1. Open widget configuration window
2. Type some location name
3. Hit ENTER key

Actual Results:  
Configuration window gets closed.

Expected Results:  
Widget should search for selected location when ENTER key is pressed after name was entered.