Result export does not work

[b-fein]

Describe the bug

Exporting the results for an exercise that has manual assessment and grading instructions does not work.

To Reproduce

Preconditions:

• An exercise with manual assessments and grading instructions.
  • In our case the issue occurs in a programming exercise. Might happen for other exercise types as well.
• One student submission that has been manually assessed while using grading instructions for the manually added feedback.

1. Go to the scores list for the exercise.
2. Top right: Export > Export Results.
3. None of the three options work.

Expected behavior

The CSV is exported.

Screenshots

No response

Which version of Artemis are you seeing the problem on?

7.7.4

What browsers are you seeing the problem on?

Firefox

Additional context

It occurred with a programming exercise for us. Not sure if also applicable to other exercise types.

Relevant log output

Server has no issues (API endpoint https://artemis.fim.uni-passau.de/api/exercises/279/results-with-points-per-criterion?withSubmissions=false returns data with code 200), only client error:

ERROR TypeError: i.pointsPerCriterion.forEach is not a function
    _e result.service.ts:264
    convertResultsWithPointsResponse result.service.ts:260
    _e result.service.ts:231
    RxJS 24
    Angular 17
    RxJS 82
    constructCSV exercise-scores-export-button.component.ts:58
    exportResults exercise-scores-export-button.component.ts:48
core.mjs:7204:18