feat: 更改single 额外属性的位置

lib/generators/simple_controller/templates/views/_single.json.jbuilder

 <%- if active_record? -%>
 json.extract!(
   <%= resource_singular %>,
+  *<%= resource_singular %>.class.try(:extra_permitted_attributes),
   :id,
   :created_at,
   :updated_at,
   <%- attributes_names.each do |attribute_name| -%>
   :<%= attribute_name %>,
   <%- end -%>
-  *<%= resource_singular %>.class.try(:extra_permitted_attributes),
 )
 <%- else -%>
 json.merge! <%= resource_singular %>.as_json