PM-2112 "Fix: 0016986: REST endpoint PUT /{workspace}/oauth2/token sets.." SOLVED

Issue:
    Fix: 0016986: REST endpoint PUT /{workspace}/oauth2/token sets the HTTP status to 200 (OK) when error
Cause:
    Al obtener un "access token" con informacion erronea, no se define correctamente el response de error
Solution:
    Se revierte el 1er cambio y se aplica un "exit(0);", ya que el status code se sobre escribia

workflow/engine/src/ProcessMaker/Services/OAuth2/Server.php

@@ -309,17 +309,9 @@ class Server implements iAuthenticate
         if ($returnResponse) {
             return $response;
         } else {
-            if ($response->getStatusCode() == 400) {
-                $msg = $response->getParameter("error_description", "");
-                $msg = ($msg != "")? $msg : $response->getParameter("error", "");
-
-                $rest = new \Maveriks\Extension\Restler();
-                $rest->setMessage(new \Luracast\Restler\RestException(\ProcessMaker\Services\Api::STAT_APP_EXCEPTION, $msg));
+            $response->send();
 
             exit(0);
-            } else {
-                $response->send();
-            }
         }
     }