fix: blockaid banner fix for signature requests - warning should not disappear after checking message details

[jpuri]

Description

Blockaid banner fix for signature requests - warning should not disappear after checking message details.

Related issues

Fixes: #7804

Manual testing steps

1. Go to test dapp
2. Submit a malicious signature request
3. Warning from blockaid appears
4. Go to message details and navigate back
5. Warning should not disappear

Screenshots/Recordings

Screen.Recording.2023-11-15.at.1.32.50.PM.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.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (b29fa7e) 35.08% compared to head (fb327fe) 35.08%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7815   +/-   ##
=======================================
  Coverage   35.08%   35.08%           
=======================================
  Files        1039     1039           
  Lines       27628    27629    +1     
  Branches     2336     2336           
=======================================
+ Hits         9693     9694    +1     
  Misses      17412    17412           
  Partials      523      523           

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[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

100.0% Coverage
0.0% Duplication

[jpuri]

Bitrise: https://app.bitrise.io/app/be69d4368ee7e86d/pipelines/04b46fe0-9d1f-411b-b801-4b85ab9441eb