fix: origin url displayed for signatures

[jpuri]

Description

Fix request from url displayed for signatures. Wrong url is spamming sentry.

Related issues

Fixes: #13580

Manual testing steps

NA

Screenshots/Recordings

NA

Pre-merge author checklist

• I’ve followed MetaMask Contributor Docs and MetaMask Mobile Coding Standards.
• I've completed the PR template to the best of my ability
• 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.

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.

[sonarqubecloud]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
83.3% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

Bitrise

🔄🔄🔄 pr_smoke_e2e_pipeline started on Bitrise...🔄🔄🔄

Commit hash: 381905e
Build link: https://app.bitrise.io/app/be69d4368ee7e86d/pipelines/4576cf60-18bd-4105-bece-d14119b79469

Note

• This comment will auto-update when build completes
• You can kick off another pr_smoke_e2e_pipeline on Bitrise by removing and re-applying the Run Smoke E2E label on the pull request