Changes to PUT `/api/v0/main-frontend/course-auditing/:id`

added the new required request property is_draft

added the new required request property is_joinable_by_code_only

added the new required request property is_test_mode

added the new required request property is_unlisted

added the required property is_draft to the response with the 200 status

added the required property is_joinable_by_code_only to the response with the 200 status

added the required property is_test_mode to the response with the 200 status

added the required property is_unlisted to the response with the 200 status

endpoint added