CHW-5810 DockerManifestStoreFailed

failed to persist docker manifest; retry the push

Default message: failed to persist docker manifest; retry the push
HTTP status: 500 (server)

Problem. Persisting a Docker manifest (by tag or digest) failed. Cause. The storage backend returned a non-ClamAV error on Put. Fix. Retry the push; if persistent, check the operator dashboard. HTTP 500.