Improved the plugin form builder, to allow multi form field relationships.

admin/models/component_custom_admin_menus.php

@@ -394,6 +394,8 @@ class ComponentbuilderModelComponent_custom_admin_menus extends JModelAdmin
 		if (empty($data))
 		{
 			$data = $this->getItem();
+			// run the perprocess of the data
+			$this->preprocessData('com_componentbuilder.component_custom_admin_menus', $data);
 		}
 
 		return $data;