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

		if (lastFailedCellInfo) {
			lastFailedCellInfo.disposable?.dispose();
			this._lastFailedCells.delete(notebookURI);
		}

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