Added missing state parameter in redirect response

src/Grant/ImplicitGrant.php

@@ -193,6 +193,7 @@ class ImplicitGrant extends AbstractAuthorizeGrant
                         'access_token' => (string) $accessToken->convertToJWT($this->privateKey),
                         'token_type'   => 'bearer',
                         'expires_in'   => $accessToken->getExpiryDateTime()->getTimestamp() - (new \DateTime())->getTimestamp(),
+                        'state'        => $authorizationRequest->getState(),
                     ],
                     '#'
                 )