Linked Lookups V2 in Product Domain

This feature is an extension of the current V2 linked lookups in the policy domain, added in the product domain. The update shifts the configuration approach from the parent field to the child field. It enables a single parent field to support multiple child fields, each with independant filtering logic, improving flexibility and supporting one to many relationships.

To maintain compatibility, the existing Linked Lookup fields remain as-is, now labelled with a 'Legacy' prefix. This ensures that existing field configuration persists without intervention.

User Guide Reference: Reference Data User Guide