fix for TokenRefreshPlugin

Author: Surfoo

src/Plugin/TokenRefreshPlugin.php

@@ -77,7 +77,14 @@ private function refreshTokenAndRetry(RequestInterface $request, callable $first
                 'expires_at' => $newTokens->expiresAt->format('Y-m-d H:i:s'),
             ]);
 
-            return $first($newRequest);
+            return $first($newRequest)->then(
+                function (ResponseInterface $response) {
+                    return $response;
+                },
+                function (\Throwable $exception) {
+                    throw $exception;
+                }
+            );
         } catch (RefreshTokenExpiredException $e) {
             $this->logger->error('[GEOCACHING] Refresh token expired, user must re-authenticate', [
                 'user_id' => $this->userId,