src/vs/workbench/contrib/welcomeOverlay/browser/welcomeOverlay.ts/WelcomeOverlay/hide
class WelcomeOverlay:	public hide() {
		if (this._overlay.style.display !== 'none') {
			this._overlay.style.display = 'none';
			const workbench = document.querySelector('.monaco-workbench') as HTMLElement;
			workbench.classList.remove('blur-background');
			this._overlayVisible.reset();
		}
	}