If you tap first on 'Upcoming Events' block, the 'Upcoming Events' screen will be shown [OK]. Then if you return to the Dashboard and tap on 'Calendar' the 'Upcoming Events' screen will be shown [NOT OK]

If you open a course and tap  on 'Calendar' the 'Upcoming Events' screen will be shown [NOT OK]

If at any point you change manually the view to 'Calendar' it works and it shows the 'Calendar' screen [OK]. Now when you return to the course and tap on 'Upcoming Events' block the 'Calendar' screen is shown [NOT OK]