The toggle sidebar button moves to the wrong position after being clicked

Describe the Bug

The toggle sidebar button is positioned incorrectly after being clicked. Instead of remaining in its proper location next to the window controls, it moves behind the close button, making it inaccessible or overlapping with other UI elements.

Steps to Reproduce

Click the toggle sidebar button

click before

after

Screenshots / Screen Recordings

Operating System

MacOS

Current Cursor Version (Menu → About Cursor → Copy)

Version: 1.3.6
VSCode Version: 1.99.3
Commit: 68b8fe7396ea37d8acdaaaa08ba316ba359a4160
Date: 2025-07-30T17:59:27.918Z
Electron: 34.5.1
Chromium: 132.0.6834.210
Node.js: 20.19.0
V8: 13.2.152.41-electron.0
OS: Darwin arm64 24.3.0

Does this stop you from using Cursor

No - Cursor works, but with this issue

Hey, this button is supposed to open your running agents. Probably, you have the background agents option disabled.

If you go to Cursor Settings > Beta and toggle Background Agent, then the Toggle Sidebar button is clickable again. Then you can click it to hide the Background Agent pane, then toggle Background Agent off again.

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