Fix symfony 5.3 incompatibility

Author: acrobat

Domain/SecurityIdentityRetrievalStrategy.php

@@ -17,6 +17,7 @@
 use Symfony\Component\Security\Core\Authentication\Token\NullToken;
 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
 use Symfony\Component\Security\Core\Authorization\Voter\AuthenticatedVoter;
+use Symfony\Component\Security\Core\Authorization\Voter\CacheableVoterInterface;
 use Symfony\Component\Security\Core\Role\RoleHierarchyInterface;
 
 /**
@@ -78,7 +79,7 @@ public function getSecurityIdentities(TokenInterface $token)
 
     private function isNotAuthenticated(TokenInterface $token): bool
     {
-        if (\defined('\Symfony\Component\Security\Core\Authorization\Voter\AuthenticatedVoter::PUBLIC_ACCESS')) {
+        if (interface_exists(CacheableVoterInterface::class)) {
             return !$this->authenticationTrustResolver->isAuthenticated($token);
         }