Description of problem: Unhealthy states metrics are missing

Version-Release number of selected component (if applicable): 4.11

How reproducible: 100%

Steps to Reproduce:
1. Create any VMs
2. Check if any KubeVirtVMStuckIn${state}State alerts or kubevirt_vm_${state}_status_last_transition_timestamp_seconds metrics exist

Actual results:
Metrics and alerts don't exist

Expected results:
Metrics and alerts exist

Additional info:

metrics list:

kubevirt_vm_error_status_last_transition_timestamp_seconds
kubevirt_vm_migrating_status_last_transition_timestamp_seconds
kubevirt_vm_non_running_status_last_transition_timestamp_seconds
kubevirt_vm_running_status_last_transition_timestamp_seconds
kubevirt_vm_starting_status_last_transition_timestamp_seconds

alert list:

KubeVirtVMStuckInErrorState
KubeVirtVMStuckInMigratingState
KubeVirtVMStuckInStartingState