add optional folders only prop to tree request args types

src/Umbraco.Web.UI.Client/src/packages/core/tree/data/types.ts

@@ -1,12 +1,14 @@
 import type { UmbEntityModel } from '@umbraco-cms/backoffice/entity';
 
 export interface UmbTreeRootItemsRequestArgs {
+	foldersOnly?: boolean;
 	skip?: number;
 	take?: number;
 }
 
 export interface UmbTreeChildrenOfRequestArgs {
 	parent: UmbEntityModel;
+	foldersOnly?: boolean;
 	skip?: number;
 	take?: number;
 }