Description of problem:

Need to update the message with "shared" field for PVC name template.

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

MTV 2.9.0(forklift-fbc-prod-v418:on-pr-76657e65fa4e6ff445965976200aed1ad7adbb7d) with CNV 4.18.7

How reproducible:

Always

Steps to Reproduce:

1) Create a cold migration plan to migrate VM: mtv-func-win2022-st1 from vCenter to OCP cluster, edit the PVC name template, the message is without "shared" variables.

2) Need to add the variable: "- .Shared: true if the volume is shared by multiple VMs, false otherwise"

and the Examples:  "if .Shared}}shared-{{end.VmName-.DiskIndex"