[ALICE3] Fix includes and using statements (#15717)

Author: vkucera

ALICE3/DataModel/OTFMCParticle.h

@@ -21,6 +21,8 @@
 
 #include <Framework/AnalysisDataModel.h>
 
+#include <cstdint>
+
 namespace o2::aod
 {
 

ALICE3/Macros/drawFastTracker.C

@@ -14,16 +14,25 @@
 
 #include <DataFormatsParameters/GRPMagField.h>
 #include <DetectorsBase/Propagator.h>
+#include <Framework/Logger.h>
+#include <ReconstructionDataFormats/Track.h>
 #include <ReconstructionDataFormats/Vertex.h>
 
 #include <TAxis.h>
 #include <TCanvas.h>
 #include <TDatabasePDG.h>
 #include <TEfficiency.h>
 #include <TGraph.h>
-#include <TH1F.h>
+#include <TH1.h>
 #include <TLatex.h>
 #include <TLorentzVector.h>
+#include <TParticlePDG.h>
+#include <TString.h>
+
+#include <RtypesCore.h>
+
+#include <cstddef>
+#include <vector>
 
 void drawFastTracker(float magneticField = 5.f, // in units of kGauss
                      const int nch = 100,       // number of charged particles per unit rapidity

ALICE3/Macros/testFastTracker.C

@@ -15,10 +15,10 @@
 
 #include "ALICE3/Core/FastTracker.h"
 
-#include <CCDB/BasicCCDBManager.h>
-#include <DataFormatsParameters/GRPLHCIFData.h>
 #include <Framework/Logger.h>
 
+#include <string>
+
 void testFastTracker(std::string geometryFile = "a3geo.ini")
 {