Fix helm chart logic

Author: willie-yao

hack/charts/cluster-api-operator/templates/core.yaml

@@ -45,7 +45,7 @@ spec:
 {{- end }}
 {{- if $.Values.manager }}
   manager:
-{{- if $.Values.manager.featureGates.core }}
+{{- if and $.Values.manager.featureGates $.Values.manager.featureGates.core }}
     featureGates:
     {{- range $key, $value := $.Values.manager.featureGates.core }}
       {{ $key }}: {{ $value }}

hack/charts/cluster-api-operator/templates/infra.yaml

@@ -38,15 +38,15 @@ metadata:
   annotations:
     "helm.sh/hook": "post-install"
     "helm.sh/hook-weight": "2"
-{{- if or $infrastructureVersion $.Values.configSecret.name }}
+{{- if or $infrastructureVersion $.Values.configSecret.name $.Values.manager }}
 spec:
 {{- end }}
 {{- if $infrastructureVersion }}
   version: {{ $infrastructureVersion }}
 {{- end }}
 {{- if $.Values.manager }}
   manager:
-{{- if hasKey $.Values.manager.featureGates $infrastructureName }}
+{{- if and (kindIs "map" $.Values.manager.featureGates) (hasKey $.Values.manager.featureGates $infrastructureName) }}
 {{- range $key, $value := $.Values.manager.featureGates }}
   {{- if eq $key $infrastructureName }}
     featureGates: