feat: Move Security settings from Experimental Settings into Security Settings

[segun]

Description

We should move security alerts feature out of Settings > Experimental to Settings > Security & Privacy under the Security section below the show private key feature.

Related issues

Fixes: #1986

Manual testing steps

1. Start Metamask
2. Open Settings > Experimental and see blockaid settings
3. Checkout this branch
4. Open Metamask
5. Open Settings > Security & Privacy and see blockaid settings under private key settings

Screenshots/Recordings

Before

before_move_mobile.mov

After

after_move_mobile.mov

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]

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[codecov-commenter]

Codecov Report

Attention: 8 lines in your changes are missing coverage. Please review.

Comparison is base (9d6f8ee) 41.43% compared to head (cf74584) 41.44%.
Report is 2 commits behind head on main.

Files	Patch %	Lines
...ngs/SecuritySettings/Sections/BlockaidSettings.tsx	50.00%	7 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8635   +/-   ##
=======================================
  Coverage   41.43%   41.44%           
=======================================
  Files        1254     1256    +2     
  Lines       30565    30571    +6     
  Branches     3001     3001           
=======================================
+ Hits        12666    12671    +5     
- Misses      17146    17147    +1     
  Partials      753      753           

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[blackdevelopa]

Other than this, it looks good to me 🔥

[jpuri]

LGTM

[digiwand]

for consistency, I think we should update the toggle button to be right-aligned with content on the left

current:

example of other existing toggle settings:

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues

Measures
0 Security Hotspots
67.4% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud