Merge branch '5.4' into 6.0

* 5.4:
  [Process] intersect with getenv() in case-insensitive manner to get default envs
  [Serializer] fix support for lazy/unset properties
  Fix redundant type casts
  [Notifier] Fix AllMySms bridge body content
  Revert "[DoctrineBridge] add support for the JSON type"

Normalizer/PropertyNormalizer.php

@@ -133,14 +133,18 @@ protected function getAttributeValue(object $object, string $attribute, string $
             $reflectionProperty->setAccessible(true);
         }
 
-        if (!$reflectionProperty->hasType() && !method_exists($object, '__get')) {
+        if ($reflectionProperty->hasType()) {
+            return $reflectionProperty->getValue($object);
+        }
+
+        if (!method_exists($object, '__get') && !isset($object->$attribute)) {
             $propertyValues = (array) $object;
 
             if (($reflectionProperty->isPublic() && !\array_key_exists($reflectionProperty->name, $propertyValues))
                 || ($reflectionProperty->isProtected() && !\array_key_exists("\0*\0{$reflectionProperty->name}", $propertyValues))
                 || ($reflectionProperty->isPrivate() && !\array_key_exists("\0{$reflectionProperty->class}\0{$reflectionProperty->name}", $propertyValues))
             ) {
-                throw new UninitializedPropertyException(sprintf('The property "%s::$%s" is not initialized.', $reflectionProperty->class, $reflectionProperty->name));
+                throw new UninitializedPropertyException(sprintf('The property "%s::$%s" is not initialized.', \get_class($object), $reflectionProperty->name));
             }
         }