Issue: RAK811 didn’t send ACK for confirmed downlink
Setup: AS923 with V188.8.131.52.H.T3 firmwave Class: C, IsConfirm: true. Gateway RAK831
Server: Chirpstack network server, class C profile.
Details: the RAK811 module didn’t send any ack for confirmed downlink, the server report ack false. Although uplink work fine with ack.