fix: silly mistake

Author: mrossard

src/Doctrine/Odm/State/Options.php

@@ -52,6 +52,8 @@ public function getTransformDocument(): mixed
 
     public function withTransformDocument(mixed $transformDocument): self
     {
-        return $this->withTransformModel($transformDocument);
+        $self = clone $this;
+        $self->transformModel = $transformDocument;
+        return $self;
     }
 }

src/Doctrine/Orm/State/Options.php

@@ -52,6 +52,8 @@ public function getTransformDocument(): mixed
 
     public function withTransformDocument(mixed $transformEntity): self
     {
-        return $this->withTransformModel($transformEntity);
+        $self = clone $this;
+        $self->transformModel = $transformEntity;
+        return $self;
     }
 }