src/vs/workbench/contrib/notebook/browser/view/renderers/webviewPreloads.ts/OutputCell/show
class OutputCell:		public show(outputId: string, top: number) {
			const outputContainer = this.outputElements.get(outputId);
			if (!outputContainer) {
				return;
			}

			this.element.style.visibility = '';
			this.element.style.top = `${top}px`;

			dimensionUpdater.updateHeight(outputId, outputContainer.element.offsetHeight, {
				isOutput: true,
			});
		}