src/vs/workbench/contrib/notebook/browser/view/notebookCellList.ts/NotebookCellList/_revealInView
class NotebookCellList:	private _revealInView(viewIndex: number) {
		const firstIndex = this.view.firstVisibleIndex;
		if (viewIndex <= firstIndex) {
			this._revealInternal(viewIndex, true, CellRevealPosition.Top);
		} else {
			this._revealInternal(viewIndex, true, CellRevealPosition.Bottom);
		}
	}