chore: add SEI network logo

[saraantole]

Description

This PR adds SEI’s network logo and native token logo to MetaMask Mobile. These additions aim to improve user recognition and interface clarity when interacting with the SEI network and its native token within the app.

Related issues

Fixes: N/A

Manual testing steps

1. Go to the MetaMask Mobile app
2. Navigate to the "Networks" section and locate SEI Network
3. Confirm that the SEI network logo is displayed correctly
4. Add SEI as a custom token (if not preloaded)
5. Verify that the SEI token logo appears as expected

Before

After

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.

[github-actions]

Bitrise

✅✅✅ pr_smoke_e2e_pipeline passed on Bitrise! ✅✅✅

Commit hash: df0f8f5
Build link: https://app.bitrise.io/app/be69d4368ee7e86d/pipelines/1c1439cb-9355-43e2-a7a9-1e79e9617e12

Note

• 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

[saraantole]

I have read the CLA Document and I hereby sign the CLA

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

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

See analysis details on SonarQube Cloud

[wachunei]

Looking good on the Buy flow 👌