src/vs/workbench/contrib/files/browser/fileActions.ts/FocusFilesExplorer/run
class FocusFilesExplorer:	override async run(accessor: ServicesAccessor): Promise<void> {
		const paneCompositeService = accessor.get(IPaneCompositePartService);
		await paneCompositeService.openPaneComposite(VIEWLET_ID, ViewContainerLocation.Sidebar, true);
	}