fix data_get

Author: taylorotwell

src/Illuminate/Http/Resources/Json/PaginatedResourceResponse.php

@@ -26,7 +26,7 @@ public function toResponse($request)
             $this->calculateStatus()
         ), function ($response) use ($request) {
             $response->original = $this->resource->resource->map(function ($item) {
-                return data_get($item, 'resource');
+                return is_array($item) ? Arr::get($item, 'resource') : $item->resource;
             });
 
             $this->resource->withResponse($request, $response);