title: Error AADSTS50012: Client is public so a 'client_assertion' should not be presented
body: <p>I am getting this error when trying to generate AAD token from clientid and certificate using below code.</p>
  
  <blockquote>
    <p>Error: "AADSTS50012: Client is public so a 'client_assertion' should
    not be presented  Native app"</p>
  </blockquote>
  
  <p>Code: <code>await context.AcquireTokenAsync(resource, assertionCert);</code></p>