fixes the snapshot listing to handle the new schedule
This fixes the list-snapshots command so it handles the case where we have some storage nodes on different schedules.
Part of https://gitlab.com/gitlab-com/gl-infra/reliability/-/issues/18060
This fixes the list-snapshots command so it handles the case where we have some storage nodes on different schedules.
Part of https://gitlab.com/gitlab-com/gl-infra/reliability/-/issues/18060