chore: add single call contract for SEI

[stanleyyconsensys]

Explanation

Adds SEI to SINGLE_CALL_BALANCES_ADDRESS_BY_CHAINID with its single-call balance checker address and updates the changelog.

Assets Controllers:
Token detection: Add SEI to SINGLE_CALL_BALANCES_ADDRESS_BY_CHAINID with address 0xf8b06Cf47E6BFcA5b468D5BAF88217BF25fdD134 in src/AssetsContractController.ts.

References

Fixes https://consensyssoftware.atlassian.net/browse/BENE-222

Checklist

• I've updated the test suite for new or updated code as appropriate
• I've updated documentation (JSDoc, Markdown, etc.) for new or updated code as appropriate
• I've communicated my changes to consumers by updating changelogs for packages I've changed, highlighting breaking changes as necessary
• I've prepared draft pull requests for clients and consumer packages to resolve any breaking changes

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Note

Adds SEI to SINGLE_CALL_BALANCES_ADDRESS_BY_CHAINID with its single-call balance checker address and updates the changelog.

• Assets Controllers:
  • Token detection: Add SEI to SINGLE_CALL_BALANCES_ADDRESS_BY_CHAINID with address 0xf8b06Cf47E6BFcA5b468D5BAF88217BF25fdD134 in src/AssetsContractController.ts.
• Changelog:
  • Under Unreleased, document addition of SEI single-call balances entry.

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[Copilot]

Pull Request Overview

This PR adds support for the SEI network by registering its single call balances contract address in the assets controller configuration.

• Adds SEI network contract address to SINGLE_CALL_BALANCES_ADDRESS_BY_CHAINID

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
packages/assets-controllers/src/AssetsContractController.ts	Adds SEI network contract address mapping
packages/assets-controllers/CHANGELOG.md	Documents the SEI network addition

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