From ae82935e448ca93b228058192d4fc66c570ace22 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Moreno?= <joao.moreno@microsoft.com>
Date: Thu, 29 Apr 2021 16:07:08 +0200
Subject: [PATCH] fixes #121503

---
 src/vs/platform/list/browser/listService.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/vs/platform/list/browser/listService.ts b/src/vs/platform/list/browser/listService.ts
index f45a42fb325..6b2f6b35019 100644
--- a/src/vs/platform/list/browser/listService.ts
+++ b/src/vs/platform/list/browser/listService.ts
@@ -669,6 +669,15 @@ abstract class ResourceNavigator<T> extends Disposable {
 			return;
 		}
 
+		// copied from AbstractTree
+		const target = browserEvent.target as HTMLElement;
+		const onTwistie = target.classList.contains('monaco-tl-twistie')
+			|| (target.classList.contains('monaco-icon-label') && target.classList.contains('folder-icon') && browserEvent.offsetX < 16);
+
+		if (onTwistie) {
+			return;
+		}
+
 		const preserveFocus = false;
 		const pinned = true;
 		const sideBySide = (browserEvent.ctrlKey || browserEvent.metaKey || browserEvent.altKey);
-- 
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