fix(laravel): fix use laravel fillable for writable props

Closes: #6875
Signed-off-by: Tobias Oitzinger <[email protected]>

src/Laravel/Eloquent/Metadata/Factory/Property/EloquentPropertyMetadataFactory.php

@@ -88,7 +88,7 @@ public function create(string $resourceClass, string $property, array $options =
 
             return $propertyMetadata
                 ->withBuiltinTypes([$type])
-                ->withWritable($propertyMetadata->isWritable() ?? true)
+                ->withWritable($propertyMetadata->isWritable() ?? true === $p['fillable'])
                 ->withReadable($propertyMetadata->isReadable() ?? false === $p['hidden']);
         }