Bug 1845441

+++ This bug was initially created as a clone of Bug #1845440 +++

Description of problem:

Jun 04 22:41:42.095 I ns/openshift-kube-apiserver-operator deployment/kube-apiserver-operator reason/ObservedConfigChanged Writing updated observed config:   map[string]interface{}{\n  	"admission": map[string]interface{}{"pluginConfig": map[string]interface{}{"network.openshift.io/ExternalIPRanger": map[string]interface{}{"configuration": map[string]interface{}{"allowIngressIP": bool(false), "apiVersion": string("network.openshift.io/v1"), "kind": string("ExternalIPRangerAdmissionConfig")}}, "network.openshift.io/RestrictedEndpointsAdmission": map[string]interface{}{"configuration": map[string]interface{}{"apiVersion": string("network.openshift.io/v1"), "kind": string("RestrictedEndpointsAdmissionConfig"), "restrictedCIDRs": []interface{}{string("10.128.0.0/14"), string("172.30.0.0/16")}}}}},\n  	"apiServerArguments": map[string]interface{}{\n  		"cloud-provider":         []interface{}{string("aws")},\n  		"feature-gates":          []interface{}{string("APIPriorityAndFairness=true"), string("RotateKubeletServerCertificate=true"), string("SupportPodPidsLimit=true"), string("NodeDisruptionExclusion=true"), string("ServiceNodeExclusion=true"), string("SCTPSupport=true"), string("LegacyNodeRoleBehavior=false")},\n- 		"service-account-issuer": []interface{}{string("https://ci-op-dgz95p2d-067ff-pxnzv-oidc.s3.amazonaws.com")},\n+ 		"service-account-issuer": []string{"https://ci-op-dgz95p2d-067ff-pxnzv-oidc.s3.amazonaws.com"},\n  	},\n  	"authConfig":         map[string]interface{}{"oauthMetadataFile": string("/etc/kubernetes/static-pod-resources/configmaps/oauth-metadata/oauthMetadata")},\n  	"corsAllowedOrigins": []interface{}{string(`//127\.0\.0\.1(:|$)`), string("//localhost(:|$)")},\n  	... // 4 identical entries\n  }\n (785 times)

The issue is the service-account-issuer is flipping because of unstructured issuer slice type:

- "service-account-issuer": []interface{}{string("https://ci-op-dgz95p2d-067ff-pxnzv-oidc.s3.amazonaws.com")},
+ "service-account-issuer": []string{"https://ci-op-dgz95p2d-067ff-pxnzv-oidc.s3.amazonaws.com"}

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