feat: Add IPAddress support to PrestoQueryRunner for Velox fuzzers #15821
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Summary:
Enable IPAddress type testing across all Velox fuzzers that use PrestoQueryRunner, including JoinFuzzer, AggregationFuzzer, and ExpressionFuzzer etc.
Previously, IPAddress was excluded from fuzzer testing because PrestoQueryRunner didn't register it as a supported scalar type and explicitly blocked it in signature validation. This change adds IPAddress to the scalar types list and provides a VARCHAR-based intermediate type transform for result comparison against Presto.
Differential Revision: D89539377