[bug-fix] use pimcore tool::getclientIp() to retrieve user's ip address

Author: Fabian Pechstein

src/PayoneBundle/Controller/BsPayoneController.php

@@ -199,7 +199,7 @@ public function getPayoneRedirectUrlAction(Request $request)
                 'bic' => $request->get('bic'),
                 'mandate_identification' => $request->get('mandate'),
                 'bankCountry' => $request->get('bankCountry'),
-                'clientIp' => empty($request->getClientIp()) ? $_SERVER['REMOTE_ADDR'] : $request->getClientIp(),
+                'clientIp' => \Pimcore\Tool::getClientIp($request),
             ];
 
             try{