CXX gives an io.grpc.StatusRuntimeException: UNKNOWN error instead of the expected InvalidArgumentException when the value of k < 1 in vector search query options

CXX gives an io.grpc.StatusRuntimeException: UNKNOWN instead of the expected InvalidArgumentException when the value of k < 1 in vector search query options.

Repo:

• Pass K = 0 in VectorQuery options.

Test failed with io.grpc.StatusRuntimeException: UNKNOWN: The num_candidates cannot be less than 1.