title: UITextView - Setting max lines hides the cursor
body: <p>This is what I am doing to set max number of lines :  </p>
  
  <pre><code>self.text_description.textContainer.maximumNumberOfLines = 2
  self.text_description.layoutManager.textContainerChangedGeometry(self.text_description.textContainer)  
  </code></pre>
  
  <p>When 3rd line is about to get started, the cursor disappears. To put it back I have to tap backspace.</p>