Fix autofocus of login (#676)

Author: gramian

server/src/main/resources/static/index.html

@@ -144,6 +144,10 @@ <h5 class="modal-title" id="popupLabel"></h5>
     }
   });
 
+  $('#loginPopup').on('shown.bs.modal', function () {
+    $('#inputUserName').delay(1000).focus().select();
+  });
+
   if( globalCredentials == null )
     showLoginPopup();
 });