fix: only allow instructor and moderator on submission page

frontend/src/pages/QuizSubmissionList.vue

@@ -43,7 +43,16 @@ import {
 	ListHeader,
 	ListHeaderItem,
 } from 'frappe-ui'
-import { computed } from 'vue'
+import { computed, onMounted, inject } from 'vue'
+import { useRouter } from 'vue-router'
+
+const router = useRouter()
+const user = inject('$user')
+
+onMounted(() => {
+	if (!user.data?.is_instructor && !user.data?.is_moderator)
+		router.push({ name: 'Courses' })
+})
 
 const props = defineProps({
 	quizID: {