How to reproduce:
- In course 1: Link course 2 in a single page (open in same window)
- Click the link to open course 2
- Course 2 is opened
- NOK: Course 1 is not available anymore in the site menu (or under "more"). When clicking the browser "Back" button, both courses will appear in the site menu (or under "more").
- OK: When opening course 2 both courses should appear.