Method onAction

src/app/MenuBar.cpp:736–745

	ui::TextField* passwordField;

	void onAction(const ActionEvent& e) override {
		std::string email = emailField->text;
		std::string password = passwordField->text;
		std::thread t([=] {
			library::logIn(email, password);
			library::checkUpdates();
		});
		t.detach();
		e.unconsume();
	}

	void step() override {
		text = string::translate("MenuBar.library.login");