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