When one selects an item from the right-most list, the view
should automatically scroll to the left in order to show the right-most
panel (which allows to download and view the book) 

Reproducible: Always

Steps to Reproduce:
1. start Add Ons application (connect using an account)
2. select Books from the left vertical list, then Agriculture from the second list
3. select an item from the third list
Actual Results:  
the item from the third list is selected, but the used needs to swipe left in order to see the fourth pannel (the one with "Download" button)

Expected Results:  
the view should slide automatically after an item was selected from the right most list