pr: #29682
due to `clientMaxSendSize` and `serverMaxRecvSize` will limit the rpc
request size limit, they should use same config value, and
`serverMaxSendSize` and `clientMaxRecvSize` will limit the rpc response
size limit, they should use same config value too.
This PR fix unexpected rpc msg limit which caused by the wrong usage of
misunderstanding rpc config items
Signed-off-by: Wei Liu <wei.liu@zilliz.com>