src/vs/workbench/contrib/notebook/browser/notebookBrowser.ts/cellRangeToViewCells
export function cellRangeToViewCells(editor: IActiveNotebookEditor, ranges: ICellRange[]) {
	const cells: ICellViewModel[] = [];
	reduceCellRanges(ranges).forEach(range => {
		cells.push(...editor.getCellsInRange(range));
	});

	return cells;
}