Steps to reproduce:
- Create a course, containing a course module (e.g. a Page)
- Create a label on the course, with some text that links to the URL of the page.
- Log in to the website in the app
- Access the course
- Verify that the "Back" button is visible
- Click the manually created link to the page
- Verify that the page is correctly displayed
- Click the "Back" button
- Expected: You are taken back to the course page, and can click back again to return to the course list.
- Actual: You are taken back to the course page, the back button is not visible.