[PWGLF] Updated event count histogram (#14733)

Author: sawankumawat

PWGLF/Tasks/Resonances/higherMassResonances.cxx

@@ -369,6 +369,7 @@ struct HigherMassResonances {
 
     // For MC
     if (doprocessGen || doprocessRec) {
+      hMChists.add("MCcorrections/hGenNo", "Generated collisions before and after event selection", kTH1F, {{5, 0.0f, 5.0f}});
       hMChists.add("Genf1710", "Gen f_{0}(1710)", kTHnSparseF, {multiplicityAxis, ptAxis, thnAxisPOL});
       hMChists.add("Genf1710Calib", "Calibrated Gen f_{0}(1710)", kTHnSparseF, {multiplicityAxis, ptAxis, thnAxisPOL});
       hMChists.add("Genf17102", "Gen f_{0}(1710)", kTHnSparseF, {multiplicityAxis, ptAxis, thnAxisPOL});
@@ -406,7 +407,6 @@ struct HigherMassResonances {
       hMChists.add("MCcorrections/MultiplicityRec2", "Multiplicity in generated MC with at least 1 reconstruction", kTH1F, {multiplicityAxis});
       hMChists.add("MCcorrections/MultiplicityGen2", "Multiplicity in generated MC", kTH1F, {multiplicityAxis});
 
-      hMChists.add("MCcorrections/hGenNo", "Generated collisions before and after event selection", kTH1F, {{5, 0.0f, 5.0f}});
       hMChists.add("MCcorrections/hSignalLossDenominator3", "Kstar generated before event selection", kTH2F, {{ptAxis}, {multiplicityAxis}});
       hMChists.add("MCcorrections/hSignalLossDenominator4", "Kstar generated before event selection", kTH2F, {{ptAxis}, {multiplicityAxis}});
       hMChists.add("MCcorrections/hSignalLossNumerator3", "Kstar generated after event selection", kTH2F, {{ptAxis}, {multiplicityAxis}});