Handling attachments inside the email

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Feature request

Which Nextcloud Version are you currently using: (see administration page)
Nextcloud 32.0.6

Is your feature request related to a problem? Please describe.
No

Describe the solution you'd like
Many Emails contains attachments like pdf or other document formats. It should be great, if the attachments could also rendered as pages at the bottom of the pdf view, so you can "see" the complete email-document as one object.

Describe alternatives you've considered
all attachments will be listed in the bottom of the rendered email-pdf (like actually the information "attachments: winmail.dat" and can be accessed directly with a link in the rendered email pdf

Start by tracing the email-to-PDF rendering entry point and how attachments are currently listed or linked. Determine which attachment formats can be rendered as pages and how the existing PDF view handles them. Done means the rendered email PDF includes the attachments as pages where supported, while still listing or linking attachments that cannot be rendered.