src/vs/workbench/contrib/welcome/walkThrough/browser/walkThroughPart.ts/WalkThroughPart/arrowDown
class WalkThroughPart:	arrowDown() {
		const scrollPosition = this.scrollbar.getScrollPosition();
		this.scrollbar.setScrollPosition({ scrollTop: scrollPosition.scrollTop + this.getArrowScrollHeight() });
	}