[RHV] Expired /etc/pki/vdsm/libvirt-vnc/server-cert.pem certificate is skipped during Enroll Certificate

Issue

• Expired /etc/pki/vdsm/libvirt-vnc/server-cert.pem certificate renewal is skipped during Enroll Certificate attempt on RHV hypervisor

• VM with console protocol set to vnc in a vnc-encryption enabled cluster fail to start with below error

VM example.com is down with error. Exit message: internal error: process exited while connecting to monitor: 2022-01-17T18:28:19.032502Z qemu-kvm: -object tls-creds-x509,id=vnc-tls-creds0,dir=/etc/pki/vdsm/libvirt-vnc,endpoint=server,verify-peer=no: The server certificate /etc/pki/vdsm/libvirt-vnc/server-cert.pem has expired.