Improve logging for disconnected HTTP clients

Previously this was inside the debug log, with the
new socket printers we can enhance checking for proper
connects and disconnects.

refs #6514

lib/remote/httpserverconnection.cpp

@@ -83,7 +83,8 @@ void HttpServerConnection::Disconnect()
 		return;
 	}
 
-	Log(LogDebug, "HttpServerConnection", "Http client disconnected");
+	Log(LogInformation, "HttpServerConnection")
+		<< "HTTP client disconnected (from " << m_Stream->GetSocket()->GetPeerAddress() << ")";
 
 	ApiListener::Ptr listener = ApiListener::GetInstance();
 	listener->RemoveHttpClient(this);