fix: dark mode compatibility with vite-inspect (#501)

Author: thecuvii

packages/devtools-ui-kit/src/components/NDarkToggle.vue

@@ -1,14 +1,15 @@
 <script setup lang="ts">
 import { computed, nextTick } from 'vue'
-import { useColorMode } from '#imports'
+
+import { useColorMode } from '@vueuse/core'
 
 const mode = useColorMode()
 const isDark = computed<boolean>({
   get() {
     return mode.value === 'dark'
   },
   set() {
-    mode.preference = isDark.value ? 'light' : 'dark'
+    mode.value = isDark.value ? 'light' : 'dark'
   },
 })