Does this issue occur when all extensions are disabled?: Yes/No

• Version: 1.60.2
• Commit: 7f6ab54
• Date: 2021-09-22T11:59:27.195Z (1 wk ago)
• Electron: 13.1.8
• Chrome: 91.0.4472.164
• Node.js: 14.16.0
• V8: 9.1.269.39-electron.0
• OS: Darwin x64 20.6.0

Steps to Reproduce:

1. Open a large file with a long line to be scrollable over the file (x and y axis).
2. Scroll right.
3. Hover on minimap.

Actual: The minimap slider does not have full width.
Expected: The minimap slider is always full width.