try get student name even better

src/pages/attendance/attendance.tsx

@@ -24,12 +24,13 @@ export const Attendance = () => {
 
     attendance.forEach((lesson) => {
       lesson.students.forEach((student) => {
+        const current = studentsMap.get(student.sub) || {}
+
         studentsMap.set(student.sub, {
           ...student,
-          value:
-            student.family_name && student.given_name
+          value: current || (student.family_name && student.given_name
               ? `${student.family_name} ${student.given_name}`
-              : student.name || student.email || student.preferred_username || student.family_name || student.given_name,
+              : student.name || student.email || student.preferred_username || student.family_name || student.given_name),
         })
       })
     })