Unable to leave group while a request is pending

[dwang3851]

After sending an invite for a group to the wrong person, a student is unable to cancel the formation of the group/leave the group.
This occurs at this screen:

Potential fixes may be including a button to cancel the creation of the group altogether, or assigning someone else as the leader of the group.

[damianhxy]

After further investigation, the issue is that a student can't leave a group after requesting to join it but before being confirmed