Fix missing control plane health check timeout

Author: tom1299

cmd/kubeadm/app/util/config/initconfiguration.go

@@ -380,6 +380,11 @@ func documentMapToInitConfiguration(gvkmap kubeadmapi.DocumentMap, allowDeprecat
 	// If ClusterConfiguration was given, populate it in the InitConfiguration struct
 	if clustercfg != nil {
 		initcfg.ClusterConfiguration = *clustercfg
+
+		// TODO: Workaround for missing v1beta3 ClusterConfiguration timeout conversion. Remove this conversion once the v1beta3 is removed
+		if clustercfg.APIServer.TimeoutForControlPlane.Duration != 0 && clustercfg.APIServer.TimeoutForControlPlane.Duration != kubeadmconstants.ControlPlaneComponentHealthCheckTimeout {
+			initcfg.Timeouts.ControlPlaneComponentHealthCheck.Duration = clustercfg.APIServer.TimeoutForControlPlane.Duration
+		}
 	} else {
 		// Populate the internal InitConfiguration.ClusterConfiguration with defaults
 		extclustercfg := &kubeadmapiv1.ClusterConfiguration{}