src/vs/workbench/contrib/notebook/browser/services/notebookExecutionStateServiceImpl.ts/NotebookExecutionStateService/_setLastFailedCellVisibility
class NotebookExecutionStateService:	private _setLastFailedCellVisibility(notebookURI: URI, visible: boolean): void {
		const lastFailedCellInfo = this._lastFailedCells.get(notebookURI);

		if (lastFailedCellInfo) {
			this._lastFailedCells.set(notebookURI, {
				cellHandle: lastFailedCellInfo.cellHandle,
				disposable: lastFailedCellInfo.disposable,
				visible: visible,
			});
		}

		this._onDidChangeLastRunFailState.fire({ visible: visible, notebook: notebookURI });
	}