refactor(money-account-service): use group/wallet/account

[ccharly]

Explanation

Some changes to rely on the account-tree-controller data for the money-account-service.

References

• feat: add money account keyring to keyring controller, and create cash account service #8204

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
• I've introduced breaking changes in this PR and have prepared draft pull requests for clients and consumer packages to resolve them