Support `valueMap` operation in GAIA_IR

[lidongze0629]

Is your feature request related to a problem? Please describe.

print(interactive.execute('g.V().has("id", "Domain_1").bothE().valueMap()').all())

File /work/python/graphscope/client/rpc.py:193, in GRPCClient._run_step_impl(self, runstep_requests)
    187     logger.error(
    188         "Runstep failed with code: %s, message: %s",
    189         error_codes_pb2.Code.Name(response.code),
    190         response.error_msg,
    191     )
    192     if response.full_exception:
--> 193         raise pickle.loads(response.full_exception)
    194 return response

RuntimeError: Fetch gremlin result failed

GIE frontend log