src/vs/workbench/contrib/notebook/browser/view/notebookCellList.ts/NotebookCellList/layout
class NotebookCellList:	override layout(height?: number, width?: number): void {
		this._isInLayout = true;
		super.layout(height, width);
		if (this.renderHeight === 0) {
			this.view.domNode.style.visibility = 'hidden';
		} else {
			this.view.domNode.style.visibility = 'initial';
		}
		this._isInLayout = false;
	}