Canary service trafficPolicy loadBalancer localityLbSetting is not generated config in dr?

[13567436138]

Describe the bug

A clear and concise description of what the bug is.
Please provide the Canary definition and Flagger logs.

To Reproduce

apply config:

apiVersion: flagger.app/v1beta1
kind: Canary
metadata:
  name: bookinfo
spec:
  revertOnDeletion: true
  targetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: reviews-v1
  provider: istio
  service:
    port: 9080
    name: reviews
    trafficPolicy:
      loadBalancer:
        simple: LEAST_CONN
        localityLbSetting:
          enabled: true
          failover:
          - from: us-central1
            to: us-central2
          - from: us-central2
            to: us-central1
      outlierDetection:
        consecutive5xxErrors: 1
        interval: 5m
        baseEjectionTime: 15m
    gateways:
    - istio/bookinfo-gateway
    hosts:
    - "*"
  analysis:
    interval: 1m
    threshold: 10
    maxWeight: 50
    stepWeight: 20
    metrics:
      - name: request-success-rate
        thresholdRange:
          min: 99
        interval: 1m
      - name: request-duration
        thresholdRange:
          max: 500
        interval: 1m

generated config:

spec:
  host: reviews-primary
  trafficPolicy:
    loadBalancer:
      simple: LEAST_CONN
    outlierDetection:
      baseEjectionTime: 15m
      consecutive5xxErrors: 1
      interval: 5m

Expected behavior

A clear and concise description of what you expected to happen.

Additional context

• Flagger version:
• Kubernetes version:
• Service Mesh provider: istio
• Ingress provider:

[stefanprodan]

Same issue as here: #996 (comment)