onMounted hook called twice during pageTransition with out-in mode

[alekseyf]

Environment

• Operating System: Darwin
• Node Version: v20.9.0
• Nuxt Version: 3.11.2
• CLI Version: 3.11.1
• Nitro Version: 2.9.6
• Package Manager: pnpm@8.10.5
• Builder: -
• User Config: devtools, app
• Runtime Modules: -
• Build Modules: -

Reproduction

https://stackblitz.com/edit/nuxt-transition-out-in-bug

Describe the bug

When navigating from the Home page to the Test page, the onMounted hook on the Test page is triggered twice. This behavior occurs only when the pageTransition mode is set to out-in in the Nuxt configuration and the Test page contains await useAsyncData.

Additional context

No response

Logs

No response

[stackblitz]

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• nuxt-transition-out-in-bug (Open reproduction)