void Application::restoreState()
{
    Persistence persistence("settings.json");
    bool = persistence.load();
    if(!result)
    {
        qDebug() << persistence.errorString();
    }

    auto viewState = persistence.state("view");
    auto controllerState = persistence.state("controller");
    auto modelState = persistence.state("model");

    mUILayer->setState(viewState);
    mControllerLayer->setState(controllerState);
    mModelLayer->setState(modelState);
}