Description of problem:

Cold migrate win2019 VM from RHV to remote cluster, during VirtualMachineCreation phase, hit firmware.bootloader setting error:
"admission webhook "virtualmachine-validator.kubevirt.io" denied the request: spec.template.spec.domain.firmware.bootloader has both EFI and BIOS configured, but they are mutually exclusive."

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

MTV 2.7.2, CNV 4.17.0

Step1: Create RHV provider, select the VM and create the cold migration plan to migrate VM to remote cluster

Step2: Check the migration pipeline: DiskTransfer succeeded, hit error below during the "VirtualMachineCreation". Checked the VM setting on RHV:"Chipset/Firmware Type: Q35 Chipset with BIOS"
admission webhook "virtualmachine-validator.kubevirt.io" denied the request: spec.template.spec.domain.firmware.bootloader has both EFI and BIOS configured, but they are mutually exclusive.

Actual results:

In step2: Hit error during the VirtualMachineCreation

Expected results:

In step2: Create VM successfully