Headers not proxied to sever handler when request made on backend (evaluated as function)

[issue-up[bot]]

Forwarded from downstream issue: https://github.com/nuxt/nuxt/issues/19843 by @oleghalin

Environment

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• Operating System: Darwin
• Node Version: v16.19.1
• Nuxt Version: 3.3.1
• Nitro Version: 2.3.1
• Package Manager: [email protected]
• Builder: vite
• User Config: -
• Runtime Modules: -
• Build Modules: -

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Reproduction

1. Create any server handler
2. run useFetch from setup function
3. no host header passed to nitro handler

Describe the bug

1. Create any server handler
2. run useFetch from setup function
3. no host header passed to nitro handler

Additional context

No response

Logs

No response