src/vs/workbench/contrib/welcomeOverlay/browser/welcomeOverlay.ts/WelcomeOverlay/updateActivityBarKeys
class WelcomeOverlay:	private updateActivityBarKeys() {
		const ids = ['explorer', 'search', 'git', 'debug', 'extensions'];
		const activityBar = document.querySelector('.activitybar .composite-bar');
		if (activityBar instanceof HTMLElement) {
			const target = activityBar.getBoundingClientRect();
			const bounds = this._overlay.getBoundingClientRect();
			for (let i = 0; i < ids.length; i++) {
				const key = this._overlay.querySelector(`.key.${ids[i]}`) as HTMLElement;
				const top = target.top - bounds.top + 50 * i + 13;
				key.style.top = top + 'px';
			}
		} else {
			for (let i = 0; i < ids.length; i++) {
				const key = this._overlay.querySelector(`.key.${ids[i]}`) as HTMLElement;
				key.style.top = '';
			}
		}
	}