MINIFICPP-2726 Fix HTTP S2S no data and error handling

[lordgamez]

• In case no data is sent we do not send cancel message to the remote peer, this is in line with NiFi-NiFi site to site communication
• Handle errors in case HTTP client submit fails
• Fix handling of 4xx and 5xx HTTP response codes: fail in case client side error code is received, only log error in case server side error is received
• Log additional data for HTTP client communication

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