Called when an application has failed to launch, so that it can cancel the application startup notification started in gio.app_launch_context.AppLaunchContext.getStartupNotifyId.
the startup notification id that was returned by gio.app_launch_context.AppLaunchContext.getStartupNotifyId.
Called when an application has failed to launch, so that it can cancel the application startup notification started in gio.app_launch_context.AppLaunchContext.getStartupNotifyId.