Fix query for date in bulletin

app/controllers/default_widget_controller.rb

@@ -36,8 +36,8 @@ class DefaultWidgetController< OrbitWidgetController
       else #no tag has cate
         result = eval("#{ori_class_name}.where(:#{get_category_field_name(ori_class_name)}.in=>params['category_id'])")
     end
-
-    result.available_for_lang(I18n.locale).can_display
+    date_now = Time.now
+    result.available_for_lang(I18n.locale).can_display.any_of( {deadline: nil,:postdate.lte => date_now} , {:deadline.gte => date_now,:postdate.lte => date_now} ).desc(:created_at)
   end
 
   def default_widget