Fix #5842 and refactoring

src/client/pages/my-lists/index.vue

@@ -6,7 +6,7 @@
 	<mk-button @click="create" primary class="add"><fa :icon="faPlus"/> {{ $t('createList') }}</mk-button>
 
 	<mk-pagination :pagination="pagination" #default="{items}" class="lists" ref="list">
-		<div class="list _panel" v-for="(list, i) in items" :key="list.id" :data-index="i">
+		<div class="list _panel" v-for="(list, i) in items" :key="list.id">
 			<router-link :to="`/lists/${ list.id }`">{{ list.name }}</router-link>
 		</div>
 	</mk-pagination>