Merge branch '5.4' into 6.2

* 5.4:
  fix style of label containing new lines in PUML dump
  [TwigBridge] Allow floats in html5 input type number field
  [Translation] Handle the translation of empty strings
  [VarDumper] Fix error when reflected class has default Enum parameter in constructor
  [FrameworkBundle] Fix denyAccessUnlessGranted for mixed attributes
  [Validator] Fix translation of AtLeastOneOf constraint message
  [Validator] Sync IBAN formats with Swift IBAN registry
  [String] Use same alphabet for ByteString::fromRandom tests
  Fix phpdocs in components

Author: nicolas-grekas

Extension/TranslationExtension.php

@@ -103,6 +103,10 @@ public function trans(string|\Stringable|TranslatableInterface|null $message, ar
                 throw new \TypeError(sprintf('Argument 2 passed to "%s()" must be a locale passed as a string when the message is a "%s", "%s" given.', __METHOD__, TranslatableInterface::class, get_debug_type($arguments)));
             }
 
+            if ($message instanceof TranslatableMessage && '' === $message->getMessage()) {
+                return '';
+            }
+
             return $message->trans($this->getTranslator(), $locale ?? (\is_string($arguments) ? $arguments : null));
         }
 

Tests/Extension/AbstractBootstrap3LayoutTestCase.php

@@ -2154,6 +2154,25 @@ public function testRenderNumberWithHtml5NumberType()
         $this->assertWidgetMatchesXpath($form->createView(), ['attr' => ['class' => 'my&class']],
             '/input
     [@type="number"]
+    [@step="any"]
+    [@name="name"]
+    [@class="my&class form-control"]
+    [@value="1234.56"]
+'
+        );
+    }
+
+    public function testRenderNumberWithHtml5NumberTypeAndStepAttribute()
+    {
+        $form = $this->factory->createNamed('name', 'Symfony\Component\Form\Extension\Core\Type\NumberType', 1234.56, [
+            'html5' => true,
+            'attr' => ['step' => '0.1'],
+        ]);
+
+        $this->assertWidgetMatchesXpath($form->createView(), ['attr' => ['class' => 'my&class']],
+            '/input
+    [@type="number"]
+    [@step="0.1"]
     [@name="name"]
     [@class="my&class form-control"]
     [@value="1234.56"]

Tests/Extension/TranslationExtensionTest.php

@@ -124,6 +124,7 @@ public static function getTransTests()
             ['{{ foo|trans }}', '', ['foo' => null]],
 
             // trans object
+            ['{{ t("")|trans }}', ''],
             ['{{ t("Hello")|trans }}', 'Hello'],
             ['{{ t(name)|trans }}', 'Symfony', ['name' => 'Symfony']],
             ['{{ t(hello, { \'%name%\': \'Symfony\' })|trans }}', 'Hello Symfony', ['hello' => 'Hello %name%']],