feat: Change pin flow update

[LippaC-OPS]

Summary of Changes

Modified the change pin flow to be spread across three screens. Firstly a screen to enter your old PIN, then second screen to enter a new PIN, and lastly a confirmation page.

Screenshots, videos, or gifs

Breaking change guide

N/A

Related Issues

N/A

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 34.14634% with 27 lines in your changes missing coverage. Please review.

Project coverage is 55.50%. Comparing base (6560986) to head (1fcb9ec).
Report is 17 commits behind head on main.

Files with missing lines	Patch %	Lines
packages/legacy/core/App/screens/PINCreate.tsx	25.00%	9 Missing ⚠️
...ckages/legacy/core/App/navigators/SettingStack.tsx	0.00%	8 Missing ⚠️
packages/legacy/core/App/screens/PINEnter.tsx	36.36%	7 Missing ⚠️
.../legacy/core/App/screens/PINChangeConfirmation.tsx	75.00%	2 Missing ⚠️
packages/legacy/core/App/screens/Settings.tsx	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1409      +/-   ##
==========================================
- Coverage   55.68%   55.50%   -0.19%     
==========================================
  Files         223      224       +1     
  Lines        7939     7998      +59     
  Branches     2221     2243      +22     
==========================================
+ Hits         4421     4439      +18     
- Misses       3495     3536      +41     
  Partials       23       23              

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[sonarqubecloud]

Quality Gate passed

Issues
9 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

[knguyenBC]

The last portion of the updated flow (feedback indicating that the PIN was successfully changed) may be updated after the pan-can design teams discussion on feedback logic (i.e when to use inline text, modal sheets/slideups, pop-ups, toasts/banners). I would pause merging this PR until discussions are complete.

[jleach]

I added the do not merge label in case your comment is missed @knguyenBC. Let us know here what the design teams land on.