chore: swap tokenList with tokensChainsCache in tokenDetectionController

[sahar-fehri]

Explanation

PR to remove usage of tokenList from tokenDetectionController and instead use tokensChainsCache.

References

• Related to #67890

Changelog

@metamask/assets-controllers

• CHANGED: Using tokensChainsCache in tokenDetectionController instead of tokenList
• ADDED: Exported TokensChainsCache from tokenListController

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 highlighted breaking changes using the "BREAKING" category above as appropriate
• [ ] I've prepared draft pull requests for clients and consumer packages to resolve any breaking changes