src/vs/base/browser/ui/inputbox/inputBox.ts/InputBox/updateScrollDimensions
class InputBox:	private updateScrollDimensions(): void {
		if (typeof this.cachedContentHeight !== 'number' || typeof this.cachedHeight !== 'number' || !this.scrollableElement) {
			return;
		}

		const scrollHeight = this.cachedContentHeight;
		const height = this.cachedHeight;
		const scrollTop = this.input.scrollTop;

		this.scrollableElement.setScrollDimensions({ scrollHeight, height });
		this.scrollableElement.setScrollPosition({ scrollTop });
	}