[ALICE3] Refactor OTF tracker (AliceO2Group#16209)

Co-authored-by: ALICE Action Bot <alibuild@cern.ch>

Author: Marcellocosti

ALICE3/DataModel/tracksAlice3.h

@@ -30,6 +30,7 @@ DECLARE_SOA_COLUMN(IsReconstructed, isReconstructed, bool); //! is reconstructed
 DECLARE_SOA_COLUMN(NSiliconHits, nSiliconHits, int);        //! number of silicon hits
 DECLARE_SOA_COLUMN(NTPCHits, nTPCHits, int);                //! number of tpc hits
 DECLARE_SOA_COLUMN(PdgCode, pdgCode, int);                  //! PDG code of the linked truth MC particle
+DECLARE_SOA_COLUMN(TrackType, trackType, int);              //! Type of the track
 } // namespace track_alice3
 DECLARE_SOA_TABLE(TracksAlice3, "AOD", "TRACKSALICE3",
                   track_alice3::IsReconstructed);
@@ -41,7 +42,8 @@ using TrackAlice3Pdg = TracksAlice3Pdg::iterator;
 
 DECLARE_SOA_TABLE(TracksExtraA3, "AOD", "TracksExtraA3",
                   track_alice3::NSiliconHits,
-                  track_alice3::NTPCHits);
+                  track_alice3::NTPCHits,
+                  track_alice3::TrackType);
 using TrackExtraA3 = TracksExtraA3::iterator;
 
 namespace mcparticle_alice3