title: Cannot get username in client MVC app
body: <p>I have 2 projects, one is the identity server 4 and one is the client AspNetCore MVC.
  On client app, how I can get the current user name or current user email ?
  More specific, I would like to put it on _Layout.cshtml .</p>
  
  <p>Thank you,
  Mihai</p>