fix: Disable javascript when webview is not focused

[tommasini]

Description

More info will be find on the issue.

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/15c5771b-1344-45d6-a318-63a6a80dcb9c
You can also kick off another Bitrise E2E smoke test by removing and re-applying the (Run Smoke E2E) label

[NicolasMassart]

Looks good to me.

[Cal-L]

left a comment

[Cal-L]

LGTM

[github-actions]

E2E test started on Bitrise: https://app.bitrise.io/app/be69d4368ee7e86d/pipelines/c1fbdf04-ebc5-4437-981d-56bc2243f73e
You can also kick off another Bitrise E2E smoke test by removing and re-applying the (Run Smoke E2E) label

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

0.0% Coverage
0.0% Duplication

[codecov-commenter]

Codecov Report

Attention: 4 lines in your changes are missing coverage. Please review.

Comparison is base (b29fa7e) 35.08% compared to head (1c9afb1) 35.07%.

Files	Patch %	Lines
app/components/Views/BrowserTab/index.js	0.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7809      +/-   ##
==========================================
- Coverage   35.08%   35.07%   -0.01%     
==========================================
  Files        1039     1039              
  Lines       27628    27632       +4     
  Branches     2336     2336              
==========================================
  Hits         9693     9693              
- Misses      17412    17416       +4     
  Partials      523      523              

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