VMs in RHV that have direct LUNs couldn't be migrated by MTV as MTV only handled disk images.

This story is about migrating VMs from RHV that use direct LUNs under the assumption that the LUNs are also accessible from the target OCP cluster - the LUNs would be detached from the original VMs on the source environment and attached to the newly migrated VMs on the target OCP cluster.