Fix bug: preview was always true

vendor/built_in_modules/news/app/controllers/panel/news/front_end/news_bulletins_controller.rb

@@ -27,7 +27,7 @@ class Panel::News::FrontEnd::NewsBulletinsController < OrbitWidgetController
     if params[:preview] == "true"
       preview_content
     else
-      @news_bulletins = NewsBulletin.can_display.where(_id: params[:id]).first
+      @news_bulletin = NewsBulletin.can_display.where(_id: params[:id]).first
       get_categorys
     end
   end