Fix for components that support autowiring

Removed unneeded null object and call App::make without arguments

modules/cms/widgets/ComponentList.php

@@ -1,5 +1,6 @@
 <?php namespace Cms\Widgets;
 
+use App;
 use Str;
 use Lang;
 use Input;
@@ -110,7 +111,7 @@ class ComponentList extends WidgetBase
             foreach ($components as $componentInfo) {
                 $className = $componentInfo->className;
                 $alias = $componentInfo->alias;
-                $component = new $className();
+                $component = App::make($className);
 
                 if ($component->isHidden) {
                     continue;