chore: Update qr-related components to use brand color white

[brianacnguyen]

Description

• Update qr-related components to use brand color white

Related issues

Fixes: #8265

Manual testing steps

1. Go to this page...

Screenshots/Recordings

Before

After

Pre-merge author checklist

• I’ve followed MetaMask Coding Standards.
• I've clearly explained what problem this PR is solving and how it is solved.
• I've linked related issues
• I've included manual testing steps
• I've included screenshots/recordings if applicable
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.
• I’ve properly set the pull request status:
  • In case it's not yet "ready for review", I've set it to "draft".
  • In case it's "ready for review", I've changed it from "draft" to "non-draft".

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[codecov-commenter]

Codecov Report

Attention: 22 lines in your changes are missing coverage. Please review.

Comparison is base (17b741e) 40.21% compared to head (5c3063e) 40.19%.
Report is 15 commits behind head on main.

Files	Patch %	Lines
app/components/UI/PaymentRequestSuccess/index.js	25.00%	3 Missing ⚠️
app/components/UI/QRHardware/AnimatedQRScanner.tsx	25.00%	3 Missing ⚠️
app/components/UI/ReceiveRequest/index.js	25.00%	3 Missing ⚠️
app/components/Views/AddressQRCode/index.js	25.00%	3 Missing ⚠️
...evealPrivateCredential/RevealPrivateCredential.tsx	0.00%	3 Missing ⚠️
app/components/UI/QRHardware/AnimatedQRCode.tsx	50.00%	2 Missing ⚠️
...ents/Views/ConnectQRHardware/Instruction/index.tsx	0.00%	2 Missing ⚠️
app/components/Views/QRScanner/index.tsx	0.00%	2 Missing ⚠️
app/components/Views/QRScanner/styles.ts	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8335      +/-   ##
==========================================
- Coverage   40.21%   40.19%   -0.03%     
==========================================
  Files        1235     1236       +1     
  Lines       29883    29940      +57     
  Branches     2862     2872      +10     
==========================================
+ Hits        12018    12034      +16     
- Misses      17174    17213      +39     
- Partials      691      693       +2     

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[sonarcloud]

Quality Gate passed

Kudos, no new issues were introduced!

0 New issues
0 Security Hotspots
21.6% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[georgewrmarshall]

LGTM! Ideally there are screenshots to ensure there is no visual regressions so we can be 100% confident of the changes