Merge branch '7.4' into 8.0

* 7.4:
  [SecurityBundle] Fix tests on Windows
  use the empty string instead of null as an array offset
  pass the empty string instead of null as key to array_key_exists()
  fix test setup
  [Validator] Review Turkish translations
  [Validator] Review Croatian translations
  [Console] Add #[Input] attribute to support DTOs in commands
  [Security][SecurityBundle] Dump role hierarchy as mermaid chart
  [DependencyInjection] Allow `Class::function(...)` and `global_function(...)` closures in PHP DSL for factories
  [VarExporter] Add support for exporting named closures
  [Validator] Review translations for Polish (pl)
  use the empty string instead of null as an array offset
  Review translations for Chinese (zh_TW)
  [Serializer] Adjust ObjectNormalizerTest for the accessor method changes from #61097
  fix merge
  [Security] Fix `HttpUtils::createRequest()` when the base request is forwarded
  map legacy options to the "sentinel" key when parsing DSNs
  fix setup to actually run Redis Sentinel/Cluster integration tests
  [Routing] Don't rebuild cache when controller action body changes

Author: nicolas-grekas

ChoiceList/ArrayChoiceList.php

@@ -105,7 +105,7 @@ public function getChoicesForValues(array $values): array
         $choices = [];
 
         foreach ($values as $i => $givenValue) {
-            if (\array_key_exists($givenValue, $this->choices)) {
+            if (\array_key_exists($givenValue ?? '', $this->choices)) {
                 $choices[$i] = $this->choices[$givenValue];
             }
         }

Tests/Fixtures/FixedDataTransformer.php

@@ -25,6 +25,7 @@ public function __construct(array $mapping)
 
     public function transform($value): mixed
     {
+        $value ??= '';
         if (!\array_key_exists($value, $this->mapping)) {
             throw new TransformationFailedException(\sprintf('No mapping for value "%s"', $value));
         }

Tests/Fixtures/FixedFilterListener.php

@@ -50,8 +50,8 @@ public function preSetData(FormEvent $event)
     {
         $data = $event->getData();
 
-        if (isset($this->mapping['preSetData'][$data])) {
-            $event->setData($this->mapping['preSetData'][$data]);
+        if (isset($this->mapping['preSetData'][$data ?? ''])) {
+            $event->setData($this->mapping['preSetData'][$data ?? '']);
         }
     }