85bf75b5

Author: Michael Lynch <git@mtlynch.io>

Committer: Michael Lynch <mtlynch@noreply.codeberg.org>

Centralize image naming (#303)

Rename photo-oriented code symbols, file names, and media type values to use image terminology consistently. Update tests and Tinybeans fixtures to match the new naming.

Keep using "photo" in user-facing UI and error messages.

Reviewed-on: https://codeberg.org/mtlynch/little-moments/pulls/303