Update calendar and activity voters in security checks

This commit adjusts the conditions in CalendarVoter and ActivityVoter security checks. Now it takes into account both STEP_DRAFT and STEP_CLOSED statuses in determining permissions. This enhancement ensures tighter control over specific actions in these two scenarios, enhancing the overall application security.

src/Bundle/ChillActivityBundle/Menu/AccompanyingCourseQuickMenuBuilder.php

@@ -16,7 +16,7 @@ use Chill\MainBundle\Routing\LocalMenuBuilderInterface;
 use Knp\Menu\MenuItem;
 use Symfony\Component\Security\Core\Security;
 
-class AccompanyingCourseQuickMenuBuilder implements LocalMenuBuilderInterface
+final readonly class AccompanyingCourseQuickMenuBuilder implements LocalMenuBuilderInterface
 {
     public function __construct(private Security $security)
     {