Sound Option Should Use Brave Colors

[Nihal-Raj]

Description

The sound option on the padlock should use Brave colors, instead of Chromium's.

Steps to Reproduce

1. Visit YouTube
2. Click on any video
3. Click on the padlock in the address bar

Actual result:

Expected result:

Using Brave's branding colors.

Reproduces how often:

Easily

Brave version (brave://version info)

Brave	1.45.127 Chromium: 107.0.5304.110 (Official Build) (64-bit)
Revision	2a558545ab7e6fb8177002bf44d4fc1717cb2998-refs/branch-heads/5304@{#1202}
OS	Windows 10 Version 22H2 (Build 19045.2311)

Version/Channel Information:

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

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?

[meeddhhaa]

Hey guys @Nihal-Raj @rebron could you give some more context on how to go about doing this?
I'm new to open source and would love to work on this!