fix: Allow integration apps to be listed by an agent (#6587)

* fix: Allow integration apps to be listed by an agent

* Fix rubocop

app/views/api/v1/models/_app.json.jbuilder

@@ -1,9 +1,14 @@
-json.call(resource.params, *resource.params.keys)
+json.id resource.id
 json.name resource.name
 json.description resource.description
 json.enabled resource.enabled?(@current_account)
-json.action resource.action
-json.button resource.action
+
+if Current.account_user&.administrator?
+  json.call(resource.params, *resource.params.keys)
+  json.action resource.action
+  json.button resource.action
+end
+
 json.hooks do
   json.array! @current_account.hooks.where(app_id: resource.id) do |hook|
     json.partial! 'api/v1/models/hook', formats: [:json], resource: hook