Disable indent guides in Quick Pick trees to reduce visual noise (microsoft#259584)

* Initial plan

* Disable indent guides in Quick Pick trees to reduce visual noise

Co-authored-by: TylerLeonhardt <[email protected]>

* remove random newline

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: TylerLeonhardt <[email protected]>

Author: Copilot

src/vs/platform/quickinput/browser/tree/quickInputTreeController.ts

@@ -4,6 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import * as dom from '../../../../base/browser/dom.js';
+import { RenderIndentGuides } from '../../../../base/browser/ui/tree/abstractTree.js';
 import { IHoverDelegate } from '../../../../base/browser/ui/hover/hoverDelegate.js';
 import { IObjectTreeElement, ObjectTreeElementCollapseState } from '../../../../base/browser/ui/tree/tree.js';
 import { Emitter, Event } from '../../../../base/common/event.js';
@@ -63,7 +64,7 @@ export class QuickInputTreeController extends Disposable {
 				findWidgetEnabled: false,
 				alwaysConsumeMouseWheel: true,
 				hideTwistiesOfChildlessElements: true,
-
+				renderIndentGuides: RenderIndentGuides.None,
 				expandOnDoubleClick: true,
 				expandOnlyOnTwistieClick: true,
 				disableExpandOnSpacebar: true,