title: Change drawer gap between header group and first item menu
body: <p>I need change the space between header group and first item menu, here's an example:</p>
  
  <p><a href="https://i.stack.imgur.com/fjBMf.png" rel="noreferrer"><img src="https://i.stack.imgur.com/fjBMf.png" alt="enter image description here"></a></p>
  
  <p>I have seen a lot of examples and posts but only be can change the space for all items, <strong>and I just need to change only for header group</strong>.</p>
  
  <p>Any idea?</p>