[OAuth] QOAuthHttpServerReplyHandler token double-encoding

google = new QOAuth2AuthorizationCodeFlow;
google->setScope("profile email");
QObject::connect(google, &QOAuth2AuthorizationCodeFlow::authorizeWithBrowser, &QDesktopServices::openUrl);
google->setClientIdentifier("SecretUser.apps.googleusercontent.com");
google->setClientIdentifierSharedKey("GoogleSecretPass"); 
google->setAuthorizationUrl( QUrl("https://accounts.google.com/o/oauth2/auth")); 
google->setAccessTokenUrl(QUrl("https://oauth2.googleapis.com/token"));
replyHandler = new QOAuthHttpServerReplyHandler();
google->setReplyHandler(replyHandler);
google->grant(); 
QObject::connect(google, &QOAuth2AuthorizationCodeFlow::granted, [this] { 
qDebug() << "grabreg" << google->token();});

..."code", QVariant(QString, "4%2FvwF5px...

if (!fragment.startsWith("/")) { 
    qDebug() << "Invalid URL path " << fragment.constData(); 
    return false; 
} 
fragment = fragment.replace("%2F", "/");