[Support] Update configuring-custom-pages-error-and-challenge.mdx

[ngayerie]

Summary

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[hyperlint-ai]

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PR Change Summary

Updated the documentation for configuring custom error pages to clarify the behavior of custom error pages when previewing and publishing.

• Added information about how the custom error page is accessed and stored on the Cloudflare edge.
• Clarified that query strings are ignored when publishing custom error pages.

Modified Files

• src/content/docs/support/more-dashboard-apps/cloudflare-custom-pages/configuring-custom-pages-error-and-challenge.mdx

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[ngayerie]

Hi @nikitacano @pedrosousa
I know this page might be updated soon and moved away, but I thought I'dbe good anyway to mention that the origin is only accessed when previewing/publishing.

[github-actions]

Preview URL: https://ac0a5ce8.preview.developers.cloudflare.com
Preview Branch URL: https://ngayerie-patch-12.preview.developers.cloudflare.com

Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/support/more-dashboard-apps/cloudflare-custom-pages/configuring-custom-pages-error-and-challenge/	https://ngayerie-patch-12.preview.developers.cloudflare.com/support/more-dashboard-apps/cloudflare-custom-pages/configuring-custom-pages-error-and-challenge/