chore: refactor swaps view with selectors

[chrisleewilcox]

Description

• Refactored swaps tests and views
• Added selectors file for swaps
• Fixed flakyness with swaps tests
• Added swap test to smoke tests suite

Related issues

Fixes: #7558

Manual testing steps

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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: 3 lines in your changes are missing coverage. Please review.

Comparison is base (4217a2d) 34.85% compared to head (fc306e8) 35.10%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7688      +/-   ##
==========================================
+ Coverage   34.85%   35.10%   +0.24%     
==========================================
  Files        1030     1032       +2     
  Lines       27426    27447      +21     
  Branches     2262     2263       +1     
==========================================
+ Hits         9560     9635      +75     
+ Misses      17357    17302      -55     
- Partials      509      510       +1     

Files	Coverage Δ
app/components/UI/AccountApproval/index.js	45.90% <100.00%> (+38.35%)	⬆️
app/constants/urls.ts	100.00% <100.00%> (ø)
app/components/UI/AccountApproval/styles.ts	66.66% <66.66%> (ø)
...omponents/UI/AccountApproval/showWarningBanner.tsx	77.77% <77.77%> (ø)

... and 5 files with indirect coverage changes

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[github-actions]

E2E test started on Bitrise: https://app.bitrise.io/app/be69d4368ee7e86d/pipelines/0efe06f5-a14c-431d-ba4b-ed31746ad062
You can also kick off another Bitrise E2E smoke test by removing and re-applying the (Run Smoke E2E) label

[chrisleewilcox]

Regression: https://app.bitrise.io/app/be69d4368ee7e86d/pipelines/0b374195-262c-47b1-9110-5622b2536656

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

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