Bug: partition-view is unavailable on macOS

[erikmd]

Related project scope(s): UI

Related user(s): @erikmd et al.

Bug description

In the teacher dashboard, the partition-view feature being triggered by a middle-click, macOS users can't use it.

To reproduce

As described above.

Additional context

• https://www.macg.co/logiciels/2020/02/middleclick-faites-un-clic-molette-avec-votre-trackpad-et-la-magic-mouse-111851
• https://github.com/artginzburg/MiddleClick-BigSur

[yurug]

One possible fix is to replace middle-click with ctrl+click : https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/ctrlKey#browser_compatibility