White rectangles in address bar in private windows (incl. Tor) on Linux in dark mode

[wknapik]

Description

The white rectangles are not static. They can move around and/or disappear, but they're consistently visible when a new private window is opened.

Steps to Reproduce

1. Open a new private window, or a new private windows with Tor
2. See the white rectangles

Actual result:

Rectangles

Expected result:

No rectangles

Reproduces how often:

Easily reproduced

Brave version (brave://version info)

Brave	1.37.109 Chromium: 100.0.4896.60 (Official Build) (64-bit)
Revision	6a5d10861ce8de5fce22564658033b43cb7de047-refs/branch-heads/4896@{#875}
OS	Linux

Version/Channel Information:

• Can you reproduce this issue with the current release? Yes
• Can you reproduce this issue with the beta channel? ?
• Can you reproduce this issue with the nightly channel? ?

Other Additional Information:

• Does the issue resolve itself when disabling Brave Shields? n/a
• Does the issue resolve itself when disabling Brave Rewards? n/a
• Is the issue reproducible on the latest version of Chrome? No

Miscellaneous Information:

i3wm

[wknapik]

In 1.37.111 this still happens, maybe less frequently