tree e8d0e793420d6007c0e0646759d42cf97951a35d
parent c5c066c3e726ee429b5a9f6659f2327fcd5bc886
author Dan Brown <development@danb.me> 1778778646 +0100
committer Dan Brown <development@danb.me> 1778778646 +0100
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Images: Increased validation against related page on upload

Adds validation that the related page exists, is visible, and that the
user has page edit permissions for the page.
Aligns with attachment permission model, and aligns across different
image endpoints.

Added tests to cover.
Closes #6126