Improved the point of time when to append the raw packet base64 data to the serializer.

* nDPId-test: Increased the max-packets-per-flow-to-send from 3 to 5.
   This is quite useful for TCP as the first 3 packets are usually part of the three-way-handshake.

Signed-off-by: Toni Uhlig <matzeton@googlemail.com>

.github/workflows/build.yml

@@ -88,6 +88,7 @@ jobs:
           sudo systemctl enable ndpid@lo
           sudo systemctl start ndpid@lo
           sudo systemctl status ndpisrvd.service ndpid@lo.service
+          sudo systemctl show ndpisrvd.service ndpid@lo.service -p SubState,ActiveState
       - name: Build against libnDPI-${{ matrix.ndpi_min_version }}
         run: |
           mkdir build-local-ndpi && cd build-local-ndpi