Description of problem:

 - Restored CSI VolumeSnapshot PVC gets stuck in pending status

Version-Release number of selected component (if applicable):

 - OCP 4.10.15
 - oadp-operator.v1.0.3

How reproducible:

 - Always in customer's environment

Steps to Reproduce:
1. Have external ODF/OCS provisioner with CSI capabilities, ceph rdb in this case.
2. Install OADP with CSI Snapshot features as described in https://docs.openshift.com/container-platform/4.10/backup_and_restore/application_backup_and_restore/installing/installing-oadp-ocs.html#oadp-enabling-csi-dpa_installing-oadp-ocs
3. Backup a PV using CSI Snapshot. https://docs.openshift.com/container-platform/4.10/backup_and_restore/application_backup_and_restore/backing_up_and_restoring/backing-up-applications.html#oadp-backing-up-pvs-csi_backing-up-applications
4. Restore a CSI snapshot-based PV

Actual results:

 - Restored PV gets stuck in Pending status

Expected results:

 - CSI snapshot-based PV should be restored and bound

Additional info:

 - Workaround:  Add the annotation: `volume.beta.kubernetes.io/storage-provisioner: openshift-storage.rbd.csi.ceph.com` into the pending PVC