fix: output of parse was not being used

src/Appwrite/Utopia/Response.php

@@ -252,12 +252,12 @@ class Response extends SwooleResponse
     {
         $output = $this->output($document, $model);
 
-        // If filter is set, parse the item
+        // If filter is set, parse the output
         if(self::isFilter()){
-            $item = self::getFilter()->parse($output, $model);
+            $output = self::getFilter()->parse($output, $model);
         }
 
-        $this->json($item);
+        $this->json($output);
 
     }