title: how to resize image icon in navigation item bar in swift?
body: <p>I have 2 navigation bar items, but the size is too big, I want to make it smaller. how do i manage the size of them? should i edit them in the interface builder or should i manage them programmatically in <code>viewDidLoad</code> ?<br>
  <a href="https://i.stack.imgur.com/1Ccl3.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/1Ccl3.png" alt="enter image description here"></a></p>
  
  <p>I had given all the image size needed in the image asset, but it doesnt work</p>
  
  <p><a href="https://i.stack.imgur.com/x4tYb.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/x4tYb.png" alt="enter image description here"></a></p>