Before Creating the Enhancement Request

• I have confirmed that this should be classified as an enhancement rather than a bug/feature.

Summary

Reject delayed transactional messages in gRPC send path.

Motivation

Reject delayed transactional messages in gRPC send path.

Describe the Solution You'd Like

Reject delayed transactional messages in gRPC send path.

Describe Alternatives You've Considered

No

Additional Context

No response