Issue in site selection drop down [closed]

Question

Steps to reproduce issue:

1. Open the sliding menu, click on Edit to edit sites list.
2. Click on drop down icon to get sites list and now it will show Up icon.
3. Click on that icon (up) again, make sure you don't select any site.
4. Now click on that icon, nothing happens!

Issue: If User don't select any site then it should change the state again to normal and allows user to select site(s).