Do not focus logout menu item after a recurring login

Implement new MenuItemRenderer made for pages that are not part
of the regular site navigation and should trigger a complete site reload
instead of handling it via XHR.
Re-render menu item after setting class to active

Force the browser to re-render the menu item, to update the link layout immediately
by recreting the content html.

fixes #7897
Fix some obsolete or wrong docstrings