[feature] our cosign save stomps the registry for saved images

[dweomer]

Seeing one issue with docker save vs hauler store save with hauler bundles.

When RKE2/K3s loads the images, the repo metadata is lost. Using crictl images:
docker save:

harbor.atoy.dev/public/dnsutils                                      1.0                                        2b62dfbe8a9a9       76.4MB

hauler store save:

docker.io/public/dnsutils                                            1.0                                        2b62dfbe8a9a9       76.4MB

That probably means hauler store add image needs some (potentially option?) to maintain the repo.

Originally posted by @atoy3731 in #320 (comment)