When resolving a descriptor from the OCI store, the returned descriptor is stripped down to contain only the media type, digest and size: https://github.com/oras-project/oras-go/blob/96a37c2b359ac1305f70dc31b28c789688d77d0f/content/oci/oci.go#L185 Is there any particular reason to not have a [complete](https://github.com/opencontainers/image-spec/blob/819aa940cae7c067a8bf89b1745d3255ddaaba1d/specs-go/v1/descriptor.go) descriptor returned ?