title: How to properly add an UIImageView inside an UIStackView
body: <p>My UIImageView is loaded with a picture with a high resolution. When I add the UIImageView to the UIStackView, the stack view will grow up to 1900x1200 dimension. 
  The UIImageView contentMode is set to Aspect Fill. </p>
  
  <p>What can I do so that the image remains with its current dimension (130x130) after adding it to the stack view ?</p>