Merge branch '5.3' into 5.4

Author: Tobion

Context/ExecutionContext.php

@@ -153,7 +153,7 @@ public function setNode($value, ?object $object, MetadataInterface $metadata = n
         $this->value = $value;
         $this->object = $object;
         $this->metadata = $metadata;
-        $this->propertyPath = (string) $propertyPath;
+        $this->propertyPath = $propertyPath;
     }
 
     /**

Mapping/Loader/XmlFileLoader.php

@@ -85,7 +85,7 @@ protected function parseConstraints(\SimpleXMLElement $nodes)
                 } else {
                     $options = [];
                 }
-            } elseif (\strlen((string) $node) > 0) {
+            } elseif ('' !== (string) $node) {
                 $options = XmlUtils::phpize(trim($node));
             } else {
                 $options = null;

Resources/translations/validators.de.xlf

@@ -386,6 +386,10 @@
                 <source>This value is not a valid International Securities Identification Number (ISIN).</source>
                 <target>Dieser Wert ist keine gültige Internationale Wertpapierkennnummer (ISIN).</target>
             </trans-unit>
+            <trans-unit id="100">
+                <source>This value should be a valid expression.</source>
+                <target>Dieser Wert sollte eine gültige Expression sein.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>

Violation/ConstraintViolationBuilder.php

@@ -46,7 +46,7 @@ class ConstraintViolationBuilder implements ConstraintViolationBuilderInterface
     /**
      * @param string $message The error message as a string or a stringable object
      */
-    public function __construct(ConstraintViolationList $violations, Constraint $constraint, $message, array $parameters, $root, $propertyPath, $invalidValue, TranslatorInterface $translator, $translationDomain = null)
+    public function __construct(ConstraintViolationList $violations, ?Constraint $constraint, $message, array $parameters, $root, $propertyPath, $invalidValue, TranslatorInterface $translator, $translationDomain = null)
     {
         $this->violations = $violations;
         $this->message = $message;