So, if you pressed the enter key faster than the list updated, it will
wait for the list to update and then select an entry, which is much
saner behavior.

Task-number: QTCREATORBUG-5710
Change-Id: Ic98d48122c9db1aad903f9b76040ae5c14a8c44e
Reviewed-on: http://codereview.qt.nokia.com/2667


Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Bill King <bill.king@nokia.com>