fix(vue): prevent calling useHead in colors

src/runtime/vue/stubs.ts

@@ -61,6 +61,7 @@ export const useState = <T>(key: string, init: () => T): Ref<T> => {
 export function useNuxtApp() {
   return {
     isHydrating: true,
+    isVue: true,
     payload: { serverRendered: false }
   }
 }