open dropdown menus remain open after page navigation

[erwindon]

Describe the bug when session timeouts, redirect to login screen follows. but an open dropdown menu is not closed at that time, it remains open. this likely can only be achieved on a touch screen

To Reproduce Steps to reproduce the behaviour:

1. Click on 'Jobs'
2. Menu remains open
3. Wait for session timeout
4. See error

Expected behaviour All menus are taken off the screen on page navigation

The dropdown panels are not part of the menu bar. On the login screen, the menu bar is hidden, but the panels can remain.