Current Behavior

When refreshing the editor, the right tab scroll button may become visible even though it's not needed.

Expected Behavior

No response

Steps To Reproduce

1. Open the editor
2. Refresh - You may need to refresh a few times; the button doesn't always appear at first.

Example flow

paste your flow here

Environment

• Node-RED version: 5.0.0-beta.3
• Node.js version:
• npm version:
• Platform/OS: Docker
• Browser: Chrome, Firefox, Safari on macos Tahoe