src/vs/workbench/contrib/extensions/browser/extensionsActions.ts/SearchExtensionsAction/run
class SearchExtensionsAction:	override async run(): Promise<void> {
		const viewPaneContainer = (await this.paneCompositeService.openPaneComposite(VIEWLET_ID, ViewContainerLocation.Sidebar, true))?.getViewPaneContainer() as IExtensionsViewPaneContainer;
		viewPaneContainer.search(this.searchValue);
		viewPaneContainer.focus();
	}