Allow querying raw_extrinsic_metadata by hash in swh-storage

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Migrated from T3018 (view on Phabricator)

assigned to @vlorentz

marked this issue as related to swh/meta#2703 (closed)

added Extrinsic metadata Storage manager priority:High labels

marked this issue as related to #3019 (closed)

marked this issue as related to #3020 (closed)

Actually, this is probably not needed. (I may close this task later)

added priority:Low label and removed priority:High label

marked this issue as related to swh-model#3074 (closed)

unassigned @vlorentz

assigned to @vlorentz

closed