docs: fix vue example

examples/nuxt-example/components/ui/dropdown-menu/DropdownMenuSubTrigger.vue

@@ -0,0 +1,33 @@
+<script setup lang="ts">
+import { type HTMLAttributes, computed } from 'vue'
+import {
+  DropdownMenuSubTrigger,
+  type DropdownMenuSubTriggerProps,
+  useForwardProps,
+} from 'radix-vue'
+import { ChevronRightIcon } from '@radix-icons/vue'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<DropdownMenuSubTriggerProps & { class?: HTMLAttributes['class'] }>()
+
+const delegatedProps = computed(() => {
+  const { class: _, ...delegated } = props
+
+  return delegated
+})
+
+const forwardedProps = useForwardProps(delegatedProps)
+</script>
+
+<template>
+  <DropdownMenuSubTrigger
+    v-bind="forwardedProps"
+    :class="cn(
+      'flex cursor-default select-none items-center rounded-sm px-2 py-1.5 text-sm outline-none focus:bg-accent data-[state=open]:bg-accent',
+      props.class,
+    )"
+  >
+    <slot />
+    <ChevronRightIcon class="ml-auto h-4 w-4" />
+  </DropdownMenuSubTrigger>
+</template>