Fix #66573

src/vs/workbench/parts/search/browser/searchResultsView.ts

@@ -25,7 +25,7 @@ import { IWorkspaceContextService } from 'vs/platform/workspace/common/workspace
 import { IResourceLabel, ResourceLabels } from 'vs/workbench/browser/labels';
 import { RemoveAction, ReplaceAction, ReplaceAllAction, ReplaceAllInFolderAction } from 'vs/workbench/parts/search/browser/searchActions';
 import { SearchView } from 'vs/workbench/parts/search/browser/searchView';
-import { FileMatch, FolderMatch, Match, RenderableMatch, SearchModel } from 'vs/workbench/parts/search/common/searchModel';
+import { FileMatch, FolderMatch, Match, RenderableMatch, SearchModel, BaseFolderMatch } from 'vs/workbench/parts/search/common/searchModel';
 
 interface IFolderMatchTemplate {
 	label: IResourceLabel;
@@ -57,7 +57,7 @@ export class SearchDelegate implements IListVirtualDelegate<RenderableMatch> {
 	}
 
 	getTemplateId(element: RenderableMatch): string {
-		if (element instanceof FolderMatch) {
+		if (element instanceof BaseFolderMatch) {
 			return FolderMatchRenderer.TEMPLATE_ID;
 		} else if (element instanceof FileMatch) {
 			return FileMatchRenderer.TEMPLATE_ID;

src/vs/workbench/parts/search/common/searchModel.ts

@@ -1006,7 +1006,7 @@ export class SearchModel extends Disposable {
 
 export type FileMatchOrMatch = FileMatch | Match;
 
-export type RenderableMatch = FolderMatch | FileMatch | Match;
+export type RenderableMatch = BaseFolderMatch | FolderMatch | FileMatch | Match;
 
 export class SearchWorkbenchService implements ISearchWorkbenchService {