feat: apply asset visibility service

> Try out Leather build 0c30416 — [Extension build](https://github.com/leather-io/extension/actions/runs/18037631540), [Test report](https://leather-io.github.io/playwright-reports/feat/use-token-visibility-services), [Storybook](https://feat/use-token-visibility-services--65982789c7e2278518f189e7.chromatic.com), [Chromatic](https://www.chromatic.com/library?appId=65982789c7e2278518f189e7&branch=feat/use-token-visibility-services)<!-- Sticky Header Marker --> Adopts the new services package asset visibility infra (`FungibleAssetVisibilityService` and `AppConfigService` via settings) and `AccountBalancesService` usage to bring the token management feature implementation into alignment w/ the `mobile` version recently completed by @edgarkhanzadian.