fix: revert slice engine

[tommasini]

Description

Revert of #8081

Related issues

Fixes:

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.

[github-actions]

E2E test started on Bitrise: https://app.bitrise.io/app/be69d4368ee7e86d/pipelines/1c6b9190-c2d6-459c-a97b-b451eea74f15
You can also kick off another Bitrise E2E smoke test by removing and re-applying the (Run Smoke E2E) label

[codecov-commenter]

Codecov Report

Attention: 34 lines in your changes are missing coverage. Please review.

Comparison is base (7956445) 41.12% compared to head (05528f7) 41.08%.

Files	Patch %	Lines
app/store/persistConfig.ts	12.00%	22 Missing ⚠️
app/components/UI/DrawerView/index.js	0.00%	10 Missing ⚠️
app/core/redux/slices/engine/index.ts	92.30%	0 Missing and 1 partial ⚠️
app/reducers/navigation/index.ts	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8587      +/-   ##
==========================================
- Coverage   41.12%   41.08%   -0.05%     
==========================================
  Files        1246     1245       -1     
  Lines       30314    30330      +16     
  Branches     2960     2962       +2     
==========================================
- Hits        12468    12462       -6     
- Misses      17103    17125      +22     
  Partials      743      743              

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[sonarcloud]

Quality Gate passed

Issues
7 New issues

Measures
0 Security Hotspots
24.6% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[Cal-L]

LGTM