We need TrackableTrait for Model

Otherwise there will be collisions because of $name property when we create extended class which needs TrackableTrait (to use in toolkit).

src/Model.php

@@ -10,12 +10,12 @@
 class Model implements \ArrayAccess, \IteratorAggregate
 {
     use \atk4\core\ContainerTrait;
+    use \atk4\core\TrackableTrait;
     use \atk4\core\DynamicMethodTrait;
     use \atk4\core\HookTrait;
     use \atk4\core\InitializerTrait {
         init as _init;
     }
-    use \atk4\core\NameTrait;
 
     // {{{ Properties of the class