feat: Add APIs for limit check in accounts (#7242)

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

@@ -4,6 +4,8 @@ if resource.custom_attributes.present?
   json.custom_attributes do
     json.plan_name resource.custom_attributes['plan_name']
     json.subscribed_quantity resource.custom_attributes['subscribed_quantity']
+    json.subscription_status resource.custom_attributes['subscription_status']
+    json.subscription_ends_on resource.custom_attributes['subscription_ends_on']
   end
 end
 json.domain @account.domain