title: ios first cell is not start from top of UITableView
body: <p>My Application has a navigation and UITableView. I set backgroundColor to my tableView. Look at the picture bellow. I don't understand why the first cell is not started from top of UITableView.
  When I use View Debbuger in Xcode, TableViewWrapperView is not fulled in UITableView.</p>
  
  <p>I already searched many times. I removed check <code>Adjust Scroll View Insets</code> and set <code>.zero</code> tableview's <code>contentinsets</code>. At last I made New Project and make it again but I can't.</p>
  
  <p>How can I resolve this problem!!</p>
  
  <p><a href="https://i.stack.imgur.com/gmYzQ.png" rel="noreferrer">enter image description here</a></p>