title: autoHideDuration is not working in Snackbar @material-ui
body: <p>I have used Snackbar from Material-ui to display an alert. I want to hide that Snackbar automatically after 5 seconds but <code>autoHideDuration</code> is not working .</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="false" data-babel="true">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;Snackbar
    autoHideDuration={3000}
    open={true}
    ContentProps={{
      'aria-describedby': 'message-id',
    }}
    message={&lt;span id="message-id"&gt; Message &lt;/span&gt;}
  /&gt;</code></pre>
  </div>
  </div>
  </p>
  
  <p><a href="https://i.stack.imgur.com/O9hyZ.png" rel="noreferrer">See screenshot</a></p>