title: Cancel Button in UISearchController
body: <p>In my project I'm using a <code>UITableViewController</code> with an internal <code>UISearchController</code> to filter the data in my <code>tableView</code>. </p>
  
  <p>I have no problem to filter the data but I need to make a date of my <code>tableView</code> reload when I click on the <strong>CANCEL</strong> button <code>UISearchController</code> but I can not find the delegate method for this ... </p>
  
  <p>Can you help me understand how to solve this problem?</p>