add better handling of snapshot restores, better debug logging

[nhudson]

This PR is an attempt to fix a few issues surrounding restoring using VolumeSnapshots

• Fix issue where we can't searching using metadata fields via the k8s API

2024-03-07T17:05:45.437283Z ERROR reconciling object:reconcile:reconcile:reconcile_cnpg: controller::snapshots::volumesnapshots:441: No ready VolumeSnapshots found for org-coredb-inst-test-isnt-403 object.ref=CoreDB.v1alpha1.coredb.io/org-coredb-inst-test-isnt-403-240304.org-coredb-inst-test-isnt-403-240304 object.reason=reconciler requested retry trace_id=00000000000000000000000000000000 instance_name=org-coredb-inst-test-isnt-403-240304

• Add better logging in conductor to help troubleshoot where sometimes spec.restore.volumeSnapshot is null instead of a boolean.

issue: TEM-3281