Description

When vertical tab is expanded on mouse hover, browser window's border is hidden by vertical tab.
It's regression from brave/brave-core#32657.

Steps to reproduce

1. Change to dark mode
2. Change to vertical tab
3. Enable Hide completely when minimized

Actual result

See the screenshot in issue description.

Expected result

Reproduces how often

Easily reproduced

Brave version (brave://version info)

1.87.55 Chromium: 143.0.7499.40 (Official Build) nightly (arm64)

Channel information

• release (stable)
• beta
• nightly

Reproducibility

• with Brave Shields disabled
• with Brave Rewards disabled
• in the latest version of Chrome

Miscellaneous information

cc @rebron @brave/qa-team @aguscruiz