title: UITableView in Swift not recognizing UINavigationBar, padding is off and part of tableview is hidden
body: <ul>
  <li>constraint set to 0 at top, sides, and bottom</li>
  <li>only happens when view enters screen</li>
  </ul>
  
  <p>I think an image would explain better than words:</p>
  
  <p>Thanks!!!</p>
  
  <p><img src="https://i.stack.imgur.com/0bkoW.png" alt="issue i&#39;m experiencing"></p>