virt-handler: Refactor claimDeviceOwnership method
virt-handler: Refactor claimDeviceOwnership method

Pass to the method the isolation data it needs to avoid re-calculating
it multiple times in the setup flow.

Signed-off-by: Edward Haas <416ab6a6c3e37a8cab0d365516e79cce8f9be5ad@redhat.com>

kubevirt/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt