Fix bug where diffs weren't getting parsed correctly

db73e29cd89ec575697ea3359bebc3397b9d990f

Tucker McKnight <tmcknight@instructure.com> | Sat Oct 03 2026

Fix bug where diffs weren't getting parsed correctly

After that last commit changed a .forEach() to a for(thing of things)
loop, a return statement inside the loop needed to be changed to a
continue.

The test coverage actually caught this (yay!) but I hadn't been running
the tests.