Description of problem:
By default, deleting a running vm results in the deletion of the vm and the associated vmi.
When `--cascade=orphan` is used, it should result in the deletion of the vm, but the associated vmi should be left running.

Version-Release number of selected component (if applicable):
4.1.13

How reproducible:
100%

Steps to Reproduce:
1. Create a vm and start it
2. Delete the vm with `kubectl delete vm <vm_name> --cascade=orphan`
3.

Actual results:
The vmi disappears

Expected results:
The vmi should not be deleted

Additional info: