Description

This PR allows specifying source IDs for Kafka sources. This is may be useful for purposes of displaying an opaque source ID for clients to connect to, that doesn't shed information on the underlying topic used.

Type of change

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update

Checklist:

Before submitting your PR, please review and confirm the following:

• I have performed a self-review of my own code and ensured it adheres to the project guidelines and coding standards.
• I have commented my code, particularly in hard-to-understand areas.
• I have made corresponding changes to the documentation, if applicable.
• My changes generate no new warnings or errors.
• I have added tests that prove my fix is effective or that my feature works.
• Integration tests have been added for relevant changes.
• Any dependent changes have been merged and published in downstream modules.

Additional context

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