Add TokenReadableKVState in hedera-mirror-web3

[IvanKavaldzhiev]

Description: Adding TokenReadableKVState for returning fungible token models into PBJ types, reading from DB.

Related issue(s):

Fixes #9252

Notes for reviewer:

Checklist

• [ ] Documented (Code comments, README, etc.)
• [X] Tested (unit, integration, etc.)