src/vs/workbench/contrib/welcomeOverlay/browser/welcomeOverlay.ts/WelcomeOverlayAction/run
class WelcomeOverlayAction:	public override run(accessor: ServicesAccessor): Promise<void> {
		const instantiationService = accessor.get(IInstantiationService);
		if (!welcomeOverlay) {
			welcomeOverlay = instantiationService.createInstance(WelcomeOverlay);
		}
		welcomeOverlay.show();
		return Promise.resolve();
	}