Fix for multiple OperatorGroup rendering

- Fixed issue with rendering multiple OperatorGroup.  Added the beginning (---) to signal document start.
- Updated the applications.yaml to include beginning (---) to signal document start.

Author: claudiol

clustergroup/templates/_helpers.tpl

@@ -196,6 +196,7 @@ spec:
   {{- range $k, $v := $ns }}{{- /* We loop here even though the map has always just one key */}}
   {{- if $v }}
     {{- if or $v.operatorGroup (not (hasKey $v "operatorGroup")) }}{{- /* Checks if the user sets operatorGroup: false */}}
+---
 apiVersion: operators.coreos.com/v1
 kind: OperatorGroup
 metadata:
@@ -212,6 +213,7 @@ spec:
       {{- end }}{{- /* End of if hasKey $v "targetNamespaces" */}}
     {{- end }}{{- /* End if $v.operatorGroup */}}
   {{- else }}{{- /* else if $v == nil  */}}
+---
 apiVersion: operators.coreos.com/v1
 kind: OperatorGroup
 metadata:

clustergroup/templates/core/operatorgroup.yaml

@@ -15,6 +15,7 @@
   {{- if kindIs "map" $ns }}
   {{- range $k, $v := $ns }}{{- /* We loop here even though the map has always just one key */}}
   {{- if $v.operatorGroup }}{{- /* Checks if the user sets operatorGroup: false */}}
+---
 apiVersion: operators.coreos.com/v1
 kind: OperatorGroup
 metadata:
@@ -32,6 +33,7 @@ spec:
   {{- end }}{{- /* range $k, $v := $ns */}}
   {{- end }}{{- /* End of if operatorGroup */}}
   {{- else if kindIs "string" $ns }}
+---
 apiVersion: operators.coreos.com/v1
 kind: OperatorGroup
 metadata:

clustergroup/templates/plumbing/applications.yaml

@@ -40,7 +40,7 @@ spec:
           limit: {{ default 20 $.Values.global.options.applicationRetryLimit }}
       {{- end }}
       {{- if .ignoreDifferences }}
-      ignoreDifferences: {{ .ignoreDifferences | toPrettyJson }}
+      ignoreDifferences: {{ .ignoreDifferences | toPrettyJson | nindent 2 }}
       {{- end }}
       source:
         repoURL: {{ coalesce .repoURL $.Values.global.repoURL }}
@@ -119,6 +119,7 @@ spec:
         server: {{ coalesce .destinationServer "https://kubernetes.default.svc" }}
         namespace: {{ coalesce .destinationNamespace .namespace $namespace }}
 {{- else }}
+---
 apiVersion: argoproj.io/v1alpha1
 kind: Application
 metadata:
@@ -280,7 +281,6 @@ spec:
     retry:
       limit: {{ default 20 $.Values.global.applicationRetryLimit }}
   {{- end }}{{- /* .syncPolicy */}}
----
 {{- end }}{{- /* if or (.generators) (.generatorFile) (.useGeneratorValues) (.destinationServer) (.destinationNamespace) */}}
 {{- end }}{{- /* range .Values.clusterGroup.applications */}}
 {{- end }}{{- /* if not (eq .Values.enabled "core") */}}