fix(template): standalone mode should skip externalClusters

Signed-off-by: ArnaudTa <33383276+ArnaudTA@users.noreply.github.com>

Author: ArnaudTA

charts/cluster/templates/_external_clusters.tpl

@@ -1,7 +1,8 @@
 {{- define "cluster.externalClusters" -}}
-externalClusters:
 {{- if eq .Values.mode "standalone" }}
-{{- else if eq .Values.mode "recovery" }}
+{{- else }}
+externalClusters:
+{{- if eq .Values.mode "recovery" }}
   {{- if eq .Values.recovery.method "pg_basebackup" }}
   - name: pgBaseBackupSource
      {{- include "cluster.externalSourceCluster" .Values.recovery.pgBaseBackup.source | nindent 4 }}
@@ -29,4 +30,5 @@ externalClusters:
 {{- else }}
   {{ fail "Invalid cluster mode!" }}
 {{- end }}
+{{- end }}
 {{ end }}