Contact UISearchBar missing.

Feedback id: FB16140301 Below are the steps to reproduce the bug in Contacts app.

1. Open Contacts app.
2. Now search for a contact and didSelect that contact.
3. Now slightly hold swipe right(from view's center leading position) as to pop the view but not fully swipe, now release the finger and you can see the back nav bar button missing and tapping the back button position also doesn't perform dismiss action.
4. Now do fully swipe from left to right to dismiss(pop) current view.
5. Here you can see the search bar missing.-> That's the bug.