Filter integration fields by type

What does this MR do and why?

This uses the field metadata to help identify which integration fields should be redacted from serialized output.

This is more reliable than just using the name heuristic we currently use.

How to set up and validate locally

See unit tests - no application changes are externally visible.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #353721