View: override Zend/View/Abstract's dynamic property management

Store dynamic properties in an array.
W/o this the login page, if on PHP 8.2, says:

Deprecated: Creation of dynamic property Icinga\Web\View::$defaultTitle is deprecated in /usr/share/icingaweb2/library/vendor/Zend/View/Abstract.php on line 305
Deprecated: Creation of dynamic property Icinga\Web\View::$compact is deprecated in /usr/share/icingaweb2/library/vendor/Zend/View/Abstract.php on line 305
Deprecated: Creation of dynamic property Icinga\Web\View::$tabs is deprecated in /usr/share/icingaweb2/library/vendor/Zend/View/Abstract.php on line 305

W/o View#getVars() the login page says:

Fatal error: Uncaught ErrorException: Uncaught ErrorException: Undefined variable $hideControls in /usr/share/icingaweb2/application/views/scripts/error/error.phtml:1

library/Icinga/Web/View.php

@@ -3,9 +3,11 @@
 
 namespace Icinga\Web;
 
+use ArrayIterator;
 use Closure;
 use Icinga\Application\Icinga;
 use ipl\I18n\Translation;
+use IteratorAggregate;
 use Zend_View_Abstract;
 use Icinga\Authentication\Auth;
 use Icinga\Exception\ProgrammingError;
@@ -52,7 +54,7 @@
  *  @param  string  $value
  * }
  */
-class View extends Zend_View_Abstract
+class View extends Zend_View_Abstract implements IteratorAggregate
 {
     use Translation;
 
@@ -61,6 +63,11 @@ class View extends Zend_View_Abstract
      */
     const CHARSET = 'UTF-8';
 
+    /**
+     * @var array
+     */
+    private $dynamicProperties = [];
+
     /**
      * Registered helper functions
      */
@@ -86,6 +93,51 @@ public function __construct($config = array())
         parent::__construct($config);
     }
 
+    public function __set($key, $val): void
+    {
+        if ('_' != substr($key, 0, 1)) {
+            $this->dynamicProperties[$key] = $val;
+
+            return;
+        }
+
+        // trigger exception
+        parent::__set($key, $val);
+    }
+
+    public function __get($key)
+    {
+        return array_key_exists($key, $this->dynamicProperties)
+            ? $this->dynamicProperties[$key]
+            : parent::__get($key); // trigger error
+    }
+
+    public function __isset($key): bool
+    {
+        if ('_' != substr($key, 0, 1)) {
+            return isset($this->dynamicProperties[$key]);
+        }
+
+        return false;
+    }
+
+    public function __unset($key): void
+    {
+        if ('_' != substr($key, 0, 1) && isset($this->dynamicProperties[$key])) {
+            unset($this->dynamicProperties[$key]);
+        }
+    }
+
+    public function getIterator(): ArrayIterator
+    {
+        return new ArrayIterator($this->dynamicProperties);
+    }
+
+    public function getVars(): array
+    {
+        return $this->dynamicProperties;
+    }
+
     /**
      * Initialize the view
      *