title: Ember conditional rendering is adding a weird element in DOM
body: <p>Whenever a condition is not respected in my template I noticed this green thing in the DOM</p>
  
  <p><a href="https://i.stack.imgur.com/14FpX.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/14FpX.png" alt="enter image description here"></a></p>
  
  <p>Can this behavior be avoided ?</p>