Method dialog

src/app/script/api/dialog_script.cpp:153–158

  }

  ui::Dialog* dialog() {
    auto dialog = handle<ui::Widget, ui::Dialog>();
    if (!dialog)
      throw script::ObjectDestroyedException{};
    return dialog;
  }

  ScriptObject* get(const std::string& id) {
    auto it = m_widgets.find(id);