fix: header icon color set to white for all onboarding screens

[LippaC-OPS]

Summary of Changes

Fix for header icon color set to white for all onboarding screens

Testing Instructions

Open onboarding screens and see correct header icon colors

Acceptance Criteria

Header icon color properly set

Screenshots, videos, or gifs

Breaking change guide

N/A

Related Issues

Replace this text with issue #'s that are relevant to this PR. If there are none, simply enter N/A

Pull Request Checklist

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• If applicable, breaking changes are described above along with how to address them
• If applicable, added changeset(s)
• Added sufficient tests so that overall code coverage is not reduced

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[changeset-bot]

🦋 Changeset detected

Latest commit: 517bf23

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 6 packages

Name	Type
@bifold/core	Patch
@bifold/remote-logs	Patch
@bifold/oca	Patch
@bifold/react-hooks	Patch
@bifold/react-native-attestation	Patch
@bifold/verifier	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 59.50%. Comparing base (f445fa2) to head (517bf23).
⚠️ Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1829      +/-   ##
==========================================
+ Coverage   59.22%   59.50%   +0.28%     
==========================================
  Files         322      326       +4     
  Lines       11271    11293      +22     
  Branches     3038     3124      +86     
==========================================
+ Hits         6675     6720      +45     
+ Misses       4567     4525      -42     
- Partials       29       48      +19     

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud