UnknownPages handlng does server-side image rotations
We're moving to read-only immutable images after upload. This means all rotations are either already in the image metadata (such as exif) or they are applied via noting the rotations in the database, and applying them client-side.
This is already the case with TestPages but UnknownPages and their various operations do various server-side mogrify
calls. We want to replace those with manipulating the rotation field (or whatever?) of the Image table.