fix tcpsocket error

src/sp/extensions/TcpSocket.cpp

@@ -100,8 +100,8 @@ DataBuffer TcpSocket::Read(std::size_t a_Amount) {
 			int err = errno;
 #endif
 			if (err == WOULDBLOCK) {
-				m_Status = Status::Error;
-				throw SocketError("Error while reading");
+				// we are in non blocking mode and nothing is available
+				return {};
 			}
 
 			Disconnect();