Update ApiLoggerMiddleware.php

Does not change the test, but adds functionality, so that any other event after this reading the data is available.

src/Middleware/ApiLoggerMiddleware.php

@@ -56,6 +56,11 @@ public function handleResponse(RequestInterface $request, ResponseInterface $res
             $response->getBody()->getContents()
         );
 
+        /**
+         * need to rewind the contents so it can be retrieved later!!!
+         */
+        $response->getBody()->rewind();
+
         return $next($request, $response);
     }
 }