fix bugs in forward configurations

Author: ypwangg

MC/config/PWGDQ/ini/Generator_InjectedCoherentCharmoniaFwdy_PbPb5TeV.ini

@@ -1,5 +1,5 @@
 [GeneratorExternal] 
 fileName = ${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGDQ/external/generator/generator_pythia8_StarlightTriggered_withGap.C 
-funcName = GeneratorPhotoproductionFwd(2, 3, -2.0, -4.5)
+funcName = GeneratorPhotoproductionFwd(2, 3, -4.5, -2.0)
 [GeneratorPythia8]
 config = ${O2DPG_MC_CONFIG_ROOT}/MC/config/ALICE3/pythia8/generator/pythia8_PbPb_536tev.cfg

MC/config/PWGDQ/ini/Generator_InjectedIncoherentCharmoniaFwdy_PbPb5TeV.ini

@@ -1,5 +1,5 @@
 [GeneratorExternal] 
 fileName = ${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGDQ/external/generator/generator_pythia8_StarlightTriggered_withGap.C 
-funcName = GeneratorPhotoproductionFwd(2, 4, -2.0, -4.5)
+funcName = GeneratorPhotoproductionFwd(2, 4, -4.5, -2.0)
 [GeneratorPythia8]
 config = ${O2DPG_MC_CONFIG_ROOT}/MC/config/ALICE3/pythia8/generator/pythia8_PbPb_536tev.cfg

MC/config/PWGDQ/ini/tests/Generator_InjectedCoherentCharmoniaFwdy_PbPb5TeV.C

@@ -16,7 +16,7 @@ int External() {
 
     int checkPdgSignal[2] = {443, 100443};
     int checkPdgDecay = 13;
-    double rapiditymin = -2.0; double rapiditymax = -4.5;
+    double rapiditymin = -4.5; double rapiditymax = -2.0;
 
     int nLeptons{};
     int nAntileptons{};

MC/config/PWGDQ/ini/tests/Generator_InjectedIncoherentCharmoniaFwdy_PbPb5TeV.C

@@ -16,7 +16,7 @@ int External() {
 
     int checkPdgSignal[2] = {443, 100443};
     int checkPdgDecay = 13;
-    double rapiditymin = -2.0; double rapiditymax = -4.5;
+    double rapiditymin = -4.5; double rapiditymax = -2.0;
 
     int nLeptons{};
     int nAntileptons{};