fix(connector): prefix deal id with 0x in setWorker call

[folex]

Description

ETH RPC cannot process the call when DealId is used as an address without 0x

Failed host call "connector" "register_worker" ["7c6a93cdd24c98b07bc542cca7e1ec9e32f1b948","12D3KooWRq9mP27DmStaeduALdCE9exJS3x8Y3ikbESH8vasXNeY",["0b7ff07ad2cee1dc9a718991110f29745f597805ebb3b7aa22dd717f6e711c0d"]] (20ms 323us 348ns): "Failed to register worker: RPC call error: code: -32602, message: invalid argument 0: json: cannot unmarshal hex string without 0x prefix into Go struct field TransactionArgs.to of type common.Address, data:

Motivation

Gotta prefix addresses with 0x

Proposed Changes

Use DealId::to_address()

Checklist

• [x] The code follows the project's coding conventions and style guidelines.
• [ ] All tests related to the changes have passed successfully.
• [ ] Documentation has been updated to reflect the changes (if applicable).
• [ ] All new and existing unit tests have passed.
• [x] I have self-reviewed my code and ensured its quality.
• [ ] I have added/updated necessary comments to aid understanding.

Reviewer Checklist

• [ ] Code has been reviewed for quality and adherence to guidelines.
• [ ] Tests have been reviewed and are sufficient to validate the changes.
• [ ] Documentation has been reviewed and is up to date.
• [ ] Any questions or concerns have been addressed.