fix(helm): ignore certificateIssuerRef when creating certificate issuer

Author: plaffitt

helm/kube-image-keeper/templates/webhook-certificate.yaml

@@ -8,7 +8,12 @@ spec:
   - {{ include "kube-image-keeper.fullname" . }}-webhook.{{ .Release.Namespace }}.svc.cluster.local
   secretName: {{ include "kube-image-keeper.fullname" . }}-webhook-server-cert
   issuerRef:
+    {{- if .Values.controllers.webhook.createCertificateIssuer }}
+    kind: Issuer
+    name: {{ include "kube-image-keeper.fullname" . }}-selfsigned-issuer
+    {{- else -}}
     {{- toYaml .Values.controllers.webhook.certificateIssuerRef | nindent 4 }}
+    {{- end }}
 ---
 {{- if .Values.controllers.webhook.createCertificateIssuer }}
 apiVersion: cert-manager.io/v1