Show TV input properties following refactor bug

Merge remote-tracking branch 'origin/pr/14646' into 3.x

* origin/pr/14646:
  Fix could not load class errors

core/src/Revolution/Processors/Element/TemplateVar/Renders/GetInputProperties.php

@@ -90,7 +90,7 @@ public function getRenderOutput(array $renderDirectories) {
      */
     public function renderController() {
         $c = new TvInputPropertiesManagerController($this->modx);
-        $this->modx->controller = call_user_func_array(array($c,'getInstance'),array(&$this->modx,'TvInputPropertiesManagerController'));
+        $this->modx->controller = call_user_func_array(array($c,'getInstance'),array(&$this->modx,TvInputPropertiesManagerController::class));
         return $this->modx->controller->render();
     }