RHV: Offline Move/Copy disk are blocked if there is less space in source SD than the size of the disk

Issue

• If you try to move or copy a disk offline from one Storage Domain to another in the RHV Admin Portal and the amount of free space in the source Storage Domain is less than the size of the disk in question, the operation is blocked;

Operation Canceled
Error while executing action: Cannot copy Virtual Disk. Low disk space on Storage Domain SD-A.

• The engine logs contain a warning indicating ACTION_TYPE_FAILED_DISK_SPACE_LOW_ON_STORAGE_DOMAIN, and referring to the source Storage Domain.