Misleading errors/messages on istiod pods when the istiod pods scaled up.

Issue

• After scaling the istiod pod to more than 1 replica, it always fail with below error:

2025-05-23T14:05:08.028898Z     info    starting gRPC discovery service at [::]:15010
2025-05-23T14:05:08.029031Z     info    controllers     starting        controller=default revision
2025-05-23T14:05:08.028822Z     info    starting webhook service at [::]:15017
2025-05-23T14:05:10.553792Z     info    validationController    Endpoint successfully rejected invalid config. Switching to fail-close.
2025-05-23T14:05:10.558635Z     error   validationController    failed to updated: Operation cannot be fulfilled on validatingwebhookconfigurations.admissionregistration.k8s.io "istio-validator-istio-system": the object has been modified; please apply your changes to the latest version and try again   name=istio-validator-istio-system resource version=5150402
2025-05-23T14:05:10.558692Z     error   controllers     error handling istio-validator-istio-system, retrying (retry count: 1): fail to update webhook: Operation cannot be fulfilled on validatingwebhookconfigurations.admissionregistration.k8s.io "istio-validator-istio-system": the object has been modified; please apply your changes to the latest version and try again     controller=validation
2025-05-23T14:05:12.475846Z     error   validationController    failed to updated: Operation cannot be fulfilled on validatingwebhookconfigurations.admissionregistration.k8s.io "istio-validator-istio-system": the object has been modified; please apply your changes to the latest version and try again   name=istio-validator-istio-system resource version=5150430
2025-05-23T14:05:12.475890Z     error   controllers     error handling istio-validator-istio-system, retrying (retry count: 1): fail to update webhook: Operation cannot be fulfilled on validatingwebhookconfigurations.admissionregistration.k8s.io "istio-validator-istio-system": the object has been modified; please apply your changes to the latest version and try again     controller=validation