fix(builtins): validate deal_id in subnet.resolve [NET-591]

[justprosh]

Description

Validate deal id in subnet.resolve, provide readable error, and append 0x if necessary

Motivation

subnet.resolve was failing in case of deal_id without 0x prefix and return unreadable errors in case of invalid deal ids

Checklist

• 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.
• 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.

[linear]

NET-591 Fix subnet.resolve

• 0x absence shouldn't impact behavior, just add it
• Errors should be actionable, eg "DealID is incorrect"
• Validate input, check it to be the correct address.