Support @page tags with @top-right, @top-left etc properties, header/footer/title html, and ip allowlisting in space PDF exports for new PDF export experience

The new PDF export experience does not currently support @page tags with @top-right, @top-left etc properties in the PDF stylesheet and header/footer/title html that can be used to modify space PDF exports:

• https://support.atlassian.com/confluence-cloud/docs/advanced-pdf-export-customizations/
• https://support.atlassian.com/confluence-cloud/docs/customize-exports-to-pdf/

If any of these are present, it falls back to the old PDF export experience which does not export PDF pages as accurately.

Also if ip allowlisting is enabled, pdf export will fall back to the old PDF experience.

This ticket is to track the support of @page tags with @top-right, @top-left etc properties in the PDF stylesheet and header/footer/title html for space PDF exports and support for ip allowlisting through the new PDF space export experience.

Related:

• https://jira.atlassian.com/browse/CONFCLOUD-74893
• https://jira.atlassian.com/browse/CONFCLOUD-75811