refactor: Improve typings for element-ui imports (no-changelog) (#4678)

* convert all stories to typescript

* stricter typing for element-ui imports

packages/design-system/src/components/N8nMenu/Menu.vue

@@ -52,7 +52,7 @@
 </template>
 
 <script lang="ts">
-import ElMenu from 'element-ui/lib/menu';
+import { Menu as ElMenu } from 'element-ui';
 import N8nMenuItem from '../N8nMenuItem';
 
 import Vue, { PropType } from 'vue';
@@ -61,7 +61,7 @@ import { IMenuItem } from '../../types';
 export default Vue.extend({
 	name: 'n8n-menu',
 	components: {
-		ElMenu, // eslint-disable-line @typescript-eslint/no-unsafe-assignment
+		ElMenu,
 		N8nMenuItem,
 	},
 	data() {