fix: PPOM - Closing alert icon overloads text box

[blackdevelopa]

Description

The close icon overflows outside the text box when triggering a benign request

Related issues

Fixes: #8782

Manual testing steps

1. Go to MM test dapp
2. Trigger a benign request
3. The close icon should be inside the text box

Screenshots/Recordings

Before

Screen.Recording.2024-03-06.at.10.44.14.mov

After

Screen.Recording.2024-03-06.at.10.58.15.mov

Screen.Recording.2024-03-06.at.10.58.50.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]

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.

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 41.61%. Comparing base (d669eb3) to head (e323975).
Report is 6 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8858      +/-   ##
==========================================
- Coverage   41.61%   41.61%   -0.01%     
==========================================
  Files        1269     1269              
  Lines       30869    30871       +2     
  Branches     3086     3086              
==========================================
  Hits        12846    12846              
- Misses      17246    17248       +2     
  Partials      777      777              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.