fix

Reset the disconnect reason when the server-side is disconnecting a client.

Author: NoelStephensUnity

com.unity.netcode.gameobjects/Runtime/Connection/NetworkConnectionManager.cs

@@ -1450,6 +1450,7 @@ internal void DisconnectClient(ulong clientId, string reason = null)
             var transportId = ClientIdToTransportId(clientId);
             if (transportId.Item2)
             {
+                DisconnectReason = string.Empty;
                 GenerateDisconnectInformation(clientId, transportId.Item1, reason);
             }