notification controller can handle self-managed notification in any namespace

Signed-off-by: GuillaumeRemyCSI <30650458+GuillaumeRemyCSI@users.noreply.github.com>

charts/argo-cd/templates/argocd-notifications/clusterrole.yaml

@@ -28,6 +28,9 @@ rules:
     verbs:
     - list
     - watch
+    {{- if (index .Values.configs.params "application.namespaces") }}
+    - create
+    {{- end }}
   {{- if .Values.notifications.cm.create }}
   - apiGroups:
     - ""