[Human App] Convert all chainIds values ​​to type ChainId

[eugenvoronov]

Description
Cast chainId values from string to ChainId type in the Human App for better type consistency.

Motivation
Using ChainId type improves code readability and reduces errors related to type mismatches.

Implementation details

• Update chainIdsEnabled method in environment-config.service.ts to return ChainId[].
• Replace string chain IDs with ChainId across the app.
• Add additional chainId parameter to getExchangeOracleUrlByAddress and getJobTypesByAddress in KvStoreGateway.