Merge branch '5.4' into 6.2

* 5.4:
  [Console] Fix computing column width containing multibyte chars
  [Messenger] Fix deprecation layer of RedeliveryStamp
  [Mime] Form field values with integer keys not resolved correctly
  [Messenger] [Redis] Fixed problem where worker stops handling messages on first empty message
  [PHPUnitBridge] Fix PHPUnit 10.1 compatibility
  [VarDumper] Make the server TCP connection sync
  [Messenger] Fix warning message on failed messenger show command
  [Mailer] [Mailjet] Use body MessageID instead of X-MJ-Request-GUID
  [HttpFoundation] Fix BinaryFileResponse
  [Form] fix merge
  [HttpFoundation] Fix memory limit problems in BinaryFileResponse
  [PropertyAccess] Readonly properties must have no PropertyWriteInfo
  [Form] Cast choices value callback result to string
  [Serializer] Unexpected value should throw UnexpectedValueException
  [ErrorHandler] Don't throw deprecations for HttplugClient
  [Serializer] Fix denormalization of object with typed constructor arg (not castable) and with COLLECT_DENORMALIZATION_ERRORS
  Avoid leading .. for temporary files from Filesystem recursive remove

Author: nicolas-grekas

ChoiceList/Loader/AbstractChoiceLoader.php

@@ -46,7 +46,7 @@ public function loadValuesForChoices(array $choices, callable $value = null): ar
 
         if ($value) {
             // if a value callback exists, use it
-            return array_map($value, $choices);
+            return array_map(fn ($item) => (string) $value($item), $choices);
         }
 
         return $this->doLoadValuesForChoices($choices);

Tests/ChoiceList/Loader/CallbackChoiceLoaderTest.php

@@ -48,12 +48,8 @@ class CallbackChoiceLoaderTest extends TestCase
 
     public static function setUpBeforeClass(): void
     {
-        self::$loader = new CallbackChoiceLoader(function () {
-            return self::$choices;
-        });
-        self::$value = function ($choice) {
-            return $choice->value ?? null;
-        };
+        self::$loader = new CallbackChoiceLoader(fn () => self::$choices);
+        self::$value = fn ($choice) => $choice->value ?? null;
         self::$choices = [
             (object) ['value' => 'choice_one'],
             (object) ['value' => 'choice_two'],
@@ -90,6 +86,18 @@ public function testLoadChoicesForValuesLoadsChoiceListOnFirstCall()
         );
     }
 
+    public function testLoadValuesForChoicesCastsCallbackItemsToString()
+    {
+        $choices = [
+           (object) ['id' => 2],
+           (object) ['id' => 3],
+        ];
+
+        $value = fn ($item) => $item->id;
+
+        $this->assertSame(['2', '3'], self::$loader->loadValuesForChoices($choices, $value));
+    }
+
     public function testLoadValuesForChoicesLoadsChoiceListOnFirstCall()
     {
         $this->assertSame(