src/vs/workbench/contrib/notebook/browser/viewParts/notebookEditorWidgetContextKeys.ts/NotebookEditorContextKeys/_updateForCellExecution
class NotebookEditorContextKeys:	private _updateForCellExecution(): void {
		if (this._editor.textModel) {
			const notebookExe = this._notebookExecutionStateService.getCellExecutionStatesForNotebook(this._editor.textModel.uri);
			this._someCellRunning.set(notebookExe.length > 0);
		} else {
			this._someCellRunning.set(false);
		}
	}