upgrade to istio 1.8.4, split jaeger and kiali into separate deployments

Summary

This merge:

• updates istio to 1.8.4
• removes jaeger and kiali from IstioOperator
• adds jaeger to jaeger namespace
• adds kiali to kiali namespace
• adds supoort for kiali native openid authentication
• ensures all integrations with prometheus/grafana are still valid

chart/templates/authservice/authservice-helmrelease.yaml

@@ -70,7 +70,7 @@ spec:
         match:
           header: ":authority"
           prefix: "tracing"
-        client_id: "{{ .Values.istio.sso.jaeger.client_id }}"
+        client_id: "{{ .Values.jaeger.sso.client_id }}"
         callback_uri: https://tracing.{{ .Values.hostname }}/login
       prometheus:
         match: