src/vs/workbench/contrib/search/browser/searchActions.ts/FocusPreviousInputAction/run
class FocusPreviousInputAction:	override async run(): Promise<any> {
		const input = this.editorService.activeEditor;
		if (input instanceof SearchEditorInput) {
			// cast as we cannot import SearchEditor as a value b/c cyclic dependency.
			(this.editorService.activeEditorPane as SearchEditor).focusPrevInput();
		}

		const searchView = getSearchView(this.viewsService);
		if (searchView) {
			searchView.focusPreviousInputBox();
		}
	}