fix teacher table and remove score prom csv export

Author: franfill1

packages/quizms/src/web/teacher/table/export.tsx

@@ -28,15 +28,13 @@ function exportStudents(students: Student[], contest: Contest) {
         ...contest.userData.map((field) => formatUserData(student, field)),
         ...(contest.hasVariants ? [student.variant] : []),
         ...contest.problemIds.map((id) => student.answers?.[id]),
-        student.score ?? "",
       ];
     });
 
   flatStudents.unshift([
     ...contest.userData.map((field) => field.label),
     ...(contest.hasVariants ? ["Variante"] : []),
     ...contest.problemIds,
-    "Punteggio",
   ]);
 
   const csv = stringifyCSV(flatStudents, {

packages/quizms/src/web/teacher/table/index.tsx

@@ -300,9 +300,8 @@ function columnDefinition(
         valueGetter: ({ data }) => {
           if (data.absent || data.disabled) return "";
           if (!(id in (data.answers ?? {}))) return "";
-          return (
-            displayAnswer(data.answers[id], variants[data.variant as string].schema[id].kind) ?? ""
-          );
+          if (variants[data.variant] === undefined) return "";
+          return displayAnswer(data.answers[id], variants[data.variant].schema[id].kind) ?? "";
         },
         tooltipValueGetter: ({ data }) => data.answers?.[id],
         editable: ({ data }) => contest.allowAnswerEdit && !data.absent && !data.disabled,