fix: Report Custom Python Errors to Instructors (#28199)

Partner Support commonly raises the issue of instructors' custom Python problems not generating any response report on the instructor dashboard. Such errors are due to the operating restrictions placed on codejail. Sometimes not all answers can be processed by the server, which kills off some to accommodate. Instead of spiking the whole report, this change logs not only the error in our system, but also allows the mostly complete response to reach the instructor.

This PR will decrease friction not only for Partner support and instructors, but T&L, who have periodically implemented workarounds to the problem.

The PR merely implements exception handling for generating reports which logged exceptions and added them to the report, continuing the work done in TNL-8218 which did the same for grading.