OZG-3328 add comment for helm dataport switch

src/main/helm/templates/deployment.yaml

@@ -66,7 +66,7 @@ spec:
               name: {{ include "app.databaseSecretName" . }}
               key: connectionString.standardSrv
               optional: false
-        {{- if not (.Values.sso).api_user }}
+        {{- if not (.Values.sso).api_user }} # used by dataport
         - name: OZGCLOUD_KEYCLOAK_API_PASSWORD
           valueFrom:
             secretKeyRef: