AdapterModule-MQTT does not send a payload

[t-denis]

Since the stream position is not set to 0, the payload is lost.

MTConnect.NET/adapter/Modules/MTConnect.NET-AdapterModule-MQTT/Module.cs

Line 189 in 3d6321a

messageBuilder.WithPayload(formatResult.Content);

MTConnect.NET/adapter/Modules/MTConnect.NET-AdapterModule-MQTT/Module.cs

Line 214 in 3d6321a

messageBuilder.WithPayload(formatResult.Content);