No volumesnapshot created when deleting the DV with snapshot format dataimportcron

CNV-v4.16.0.rhel9-1308

Always

1. Modify the dataimport template rhel9 to use ocs storage class
2. Check the dataimportcron rhel9 -> should be snapshot format instead of pvc format
3. Check the old DV and PVC, if exist, delete the DV rhel9 
4. Check the volumesnapshot
5. Check whether the DV rhel9 re-created with OCS storage class

4. No volumesnapshot
5. DV is not recreating due to no volumesnapshhot
[cloud-user@ocp-psi-executor ~]$ oc get volumesnapshot
No resources found in openshift-virtualization-os-images namespace.
[cloud-user@ocp-psi-executor ~]$ oc get volumesnapshot -w

4-5. volumesnapshot created and DV can be recreated with OCS sc

datasoure status:
status:
  conditions:
  - lastHeartbeatTime: "2024-03-20T09:10:53Z"
    lastTransitionTime: "2024-03-20T09:10:53Z"
    message: Snapshot not found
    reason: NotFound
    status: "False"
    type: Ready
  source:
    snapshot:
      name: rhel9-b2c52ac49e20
      namespace: openshift-virtualization-os-images