FEATURE: add form for setting default permissions and fix few bugs

app/CMS/Modules/Stubs/Handlers/$Module$Handler.stub

@@ -2,10 +2,10 @@
 
 namespace Modules\$ModuleNamespace$\Handlers;
 
-use App\CMS\Handlers\Handler;
+use App\CMS\Handlers\BaseHandler;
 use App\Models\User;
 
-class $Module$Handler extends Handler
+class $Module$Handler extends BaseHandler
 {
     /**
      * Register admin menu