src/vs/workbench/contrib/notebook/browser/view/cellParts/cellOutput.ts/CellOutputElement/_showJupyterExtension
class CellOutputElement:	private async _showJupyterExtension() {
		const viewlet = await this.paneCompositeService.openPaneComposite(EXTENSION_VIEWLET_ID, ViewContainerLocation.Sidebar, true);
		const view = viewlet?.getViewPaneContainer() as IExtensionsViewPaneContainer | undefined;
		view?.search(`@id:${JUPYTER_EXTENSION_ID}`);
	}