title: Checkbox is not displaying in the ngDialog popup
body: <p>I am using the likeastore\ngDialog library for pop-ups, I am trying to add checkbox in the pop-up but it's not getting displayed.</p>
  
  <p>I tried to update the version from 0.5.7 to 1.4.0 but nothing helped. There is no custom CSS as well![enter image description here][1]</p>
  
  <p>attached screenshot below </p>
  
  <p><a href="https://i.stack.imgur.com/rUesy.png" rel="nofollow noreferrer">https://i.stack.imgur.com/rUesy.png</a></p>