[5.3] Fix deprecation text and add Registry to StateBehaviorTrait (#45437)

Author: HLeithner

libraries/src/MVC/Model/State.php

@@ -21,7 +21,7 @@
  *
  * @since  5.0.0
  *
- * @deprecated  7.0 Use the Registry directly
+ * @deprecated  5.0.0 will be removed in 7.0, use the Registry directly
  */
 class State extends Registry
 {
@@ -70,7 +70,7 @@ public function get($path, $default = null)
       *
       * @since   5.0.0
       *
-      * @deprecated  7.0 Use toArray instead
+      * @deprecated  5.0.0 will be removed in 7.0, use toArray instead
       */
     public function getProperties()
     {

libraries/src/MVC/Model/StateBehaviorTrait.php

@@ -31,8 +31,10 @@ trait StateBehaviorTrait
     /**
      * A state object
      *
-     * @var    State
+     * @var    State|\Joomla\Registry\Registry
      * @since  4.0.0
+     *
+     * @todo   Remove the State type hint in Joomla 7.0 since it will be removed see State class
      */
     protected $state = null;