PICARD-2946: metainfo: fix recommended display length definition #2426
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Summary
Problem
Currently, flathub's build are failing as they don't allow releasing builds with invalid appdata (even if it's just a warning). Running
appstreamcli validate
do raise this warning:W: org.musicbrainz.Picard:318: relation-display-length-value-invalid medium
currently.According to https://www.freedesktop.org/software/appstream/docs/chap-Metadata.html#tag-relations-display_length, display length's value must be an integer value corresponding to logical pixels.
Solution
I took
768
px as value because it corresponds to the recommended referenced size for laptops and tablets, which should match imho the previous incorrectmedium
value.Action
Additional actions required: