fix: fixed issue in which submissions are not reflected gracefully until page reload

ListView throws error if initialized without emptyState which was causing the component to not reload when number of submissions was 0.

frontend/src/components/Quiz.vue

@@ -258,14 +258,22 @@
 			</Button>
 		</div>
 		<div
-			v-if="quiz.data.show_submission_history && attempts?.data"
+			v-if="
+				quiz.data.show_submission_history &&
+				attempts?.data &&
+				attempts.data.length > 0
+			"
 			class="mt-10"
 		>
 			<ListView
 				:columns="getSubmissionColumns()"
 				:rows="attempts?.data"
 				row-key="name"
-				:options="{ selectable: false, showTooltip: false }"
+				:options="{
+					selectable: false,
+					showTooltip: false,
+					emptyState: { title: __('No Quiz submissions found') },
+				}"
 			>
 			</ListView>
 		</div>