Tutor assignments not freed when logging out

Summary

When a tutor logs out via the logout button, their locked assignments are not getting released

Steps to reproduce

Login as a tutor, get an assignment and log out via the logout button. The assignment should still be active.

What is the expected correct behavior?

Assignments should be freed after logging out.

Possible fixes

Issue a request to the "release" endpoint for assignments right before logging out the user.