fix: devtools along `deep: false` in `useAsyncData` lead to performance issues in dev

[warflash]

🐛 The bug

See https://github.com/nuxt/nuxt/issues/25901 for context

🛠️ To reproduce

https://stackblitz.com/edit/github-6ss7qv?file=store%2FtrueShallow.ts,store%2FasyncDataShallow.ts,pages%2FasyncDataShallow.vue,pages%2FtrueShallow.vue,app.vue,pages%2Findex.vue

🌈 Expected behavior

The performance between enabled and disabled devtools shouldn't diverge as much

ℹ️ Additional context

No response