Description of problem:

Create a warm migration plan with vsphere7 provider (skipped the VDDK acceleration), failed to trigger cutover on CNV 4.17.1, failed to import DV on CNV 4.17.2, cdi-apiserver pod hit error:
"http: TLS handshake error from 10.130.0.2:52052: EOF" 
cdi-deployment pod hit error:
"Pod requires VDDK sidecar for VMware transfer ....failed to get VDDK image name from configmap..."

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

MTV 2.7.6-6, CNV 4.17.1

How reproducible:

100 %

Steps to Reproduce:

1. Create a vSphere 7 provider skip the VDDK acceleration, and create a warm migration plan: mtv-warm-no-vddk to migrate vm: mtv-win2019-79

2. When "Disk Transfer" phase finished, check the "Disk transfer" is not updated, it's still "0/12288 MB"

3. Set the "Cutover" in the "Plan Details" -> "Virtual Machines" page for several times, can't trigger the cutover phase

4. Set the "Cutover" in the "Plans" page for several times, can't trigger the cutover phase

5. Check cdi-apiserver pod hit error: "http: TLS handshake error from 10.130.0.2:52052: EOF"
    cdi-deployment pod hit error: "Pod requires VDDK sidecar for VMware transfer ....failed to get VDDK image name from configmap..."