always make NTCP address first

libi2pd/RouterInfo.cpp

@@ -672,7 +672,7 @@ namespace data
 		for (const auto& it: *m_Addresses) // don't insert same address twice
 			if (*it == *addr) return;
 		m_SupportedTransports |= addr->host.is_v6 () ? eNTCPV6 : eNTCPV4;
-		m_Addresses->push_back(std::move(addr));
+		m_Addresses->push_front(std::move(addr)); // always make NTCP first
 	}
 
 	void RouterInfo::AddSSUAddress (const char * host, int port, const uint8_t * key, int mtu)