[CR124] Always use Speedreader... toggles show red when hovered in the Tune Speedreader dialog

[MadhaviSeelam]

Due to C124 changes for Bookmarks & Reading list, Always use Speedreader... toggles show red when hovered hovered in the Tune Speedreader dialog

Steps to Reproduce

1. install 1.66.70
2. launch Brave
3. visit cnn.com and click an article
4. enable the article in speedreader mode
5. click on Tune Speedreader dialog
6. enable one of the toggles and hover over

Actual result:

toggles show highlighted with red when hovered for both enabled and disabled toggles

example	example

Expected result:

Should not show red when hovered over

Reproduces how often:

Easily

Brave version (brave://version info)

Version/Channel Information:

• Can you reproduce this issue with the current release? No
• Can you reproduce this issue with the beta channel? No
• Can you reproduce this issue with the nightly channel? Yes

Other Additional Information:

• Does the issue resolve itself when disabling Brave Shields?
• Does the issue resolve itself when disabling Brave Rewards?
• Is the issue reproducible on the latest version of Chrome?

Miscellaneous Information:

@mkarolin @rebron
cc: @aguscruiz @brave/qa-team

[mkarolin]

This is caused by ui/views/controls/button/toggle_button.cc using colors like ui::kColorToggleButtonThumbOnHover and ui::kColorToggleButtonHover that are only defined when Chromium Refresh 2023 is enabled: https://source.chromium.org/chromium/chromium/src/+/main:ui/color/color_mixers.cc;l=30

[kjozwiak]

The above requires 1.65.110 or higher for 1.65.x verification 👍

[GeetaSarvadnya]

Verification PASSED on

Brave | 1.65.112 Chromium: 124.0.6367.29 (Official Build) (64-bit)
-- | --
Revision | 1ccdfe627ad458201908007edf699da1f3bfc02b
OS | Windows 10 Version 22H2 (Build 19045.4170)

• Confirmed that the speedreader toggle doesn't show red when mouse over the Tune speedreader toggle but toggle color changes to gray when mouse hover the toggle - logged a follow up issue Tune speedreader toggle color changes to gray when mouse hover the enabled toggle #37580