next js version 14 and genaretaMetaData duplicated robots noindex in app folder

Link to the code that reproduces this issue

To Reproduce

Hello, I am using the next js 14 version and the app folder. I create a static site and use staticMetaData for metadata, as in the documentation. My problem here is that although I call index,follow in the robots meta, it automatically assigns its own noindex after a while on the site. How can I solve this, my code is like this

Current vs. Expected behavior

export async function generateMetadata({ params }) { const slug = params.slug const dataDetail = await getDataDetail({ params });

if (dataDetail.status == 0) {
    return {
        title: '404 Sayfa Bulunamadı Hata',
        description: 'Aramış olduğunuz sayfa bulunamadı için, sayfa 404 kodlu hataya düşmüştür.',
    }
}
else {
    return {
        robots: {
            index: dataDetail?.content?.noindex === "no" ? true : false,
            follow: dataDetail?.content?.noindex === "no" ? true : false,
        },
        title: dataDetail?.content?.meta_title  dataDetail?.content?.title,
        description: dataDetail?.content?.meta_description  'E-psikiyatri',
        metadataBase: new URL('https://e-psikiyatri.com'/),
        alternates: {
            canonical: dataDetail?.content?.canonical  /${slug},
        },
        openGraph: {
            title: dataDetail?.content?.meta_title  dataDetail?.content?.title,
            description: dataDetail?.content?.meta_description  'E-psikiyatri',
            url: 'https://e-psikiyatri.com/',
            siteName: dataDetail?.content?.meta_title  dataDetail?.content?.title,
            images: [
                {
                    url: dataDetail?.content?.image  '/logo.png',
                    width: 800,
                    height: 600,
                    alt: dataDetail?.content?.title  'E-Psikiyatri',
                },
            ],
            locale: 'tr_TR',
            type: 'website',
        }
    }
}

}

Provide environment information

next:14.1

Which area(s) are affected? (Select all that apply)

App Router

Which stage(s) are affected? (Select all that apply)

Other (Deployed)

Additional context

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I did not open this issue, but it is relevant to me, what can I do to help?

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vercel / next.js