[PL] [67030722] Support touch devices, selected item.

- reimplement similar validation from mouseover event
- reposition binding order

PT Story: https://www.pivotaltracker.com/story/show/67030722

While using a tablet, if a user enters a search string into the search bar and the suggested output displays the desired location, attempts to click any result other than the top most result will automatically select the top most result, instead of the desired result.

This happened on both Android and IOS.