[PWGHF] Fixbug: resolve mcCollision_as type mismatch in Xic0 MC processing (#14223)

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

Author: Tao-Fang

PWGHF/D2H/Tasks/taskXic0ToXiPi.cxx

@@ -233,9 +233,10 @@ struct HfTaskXic0ToXiPi {
         continue;
       }
 
-      auto collision = candidate.template collision_as<CollisionsWithMcLabels>();
+      auto collision = candidate.template collision_as<CollType>();
+      auto numPvContributors = collision.numContrib();
       float const mcCent = o2::hf_centrality::getCentralityColl(collision.template mcCollision_as<McCollisionWithCents>());
-      auto numPvContributors = candidate.template collision_as<CollType>().numContrib();
+
       double const ptXic = RecoDecay::pt(candidate.pxCharmBaryon(), candidate.pyCharmBaryon());
       if constexpr (ApplyMl) {
         registry.fill(HIST("hBdtScoreVsMassVsPtVsPtBVsYVsOriginVsXic0Type"),
@@ -270,12 +271,13 @@ struct HfTaskXic0ToXiPi {
       auto ptGen = particle.pt();
       auto yGen = particle.rapidityCharmBaryonGen();
 
-      float const mcCent = o2::hf_centrality::getCentralityColl(particle.template mcCollision_as<McCollisionWithCents>());
+      auto mcCollision = particle.template mcCollision_as<McCollisionWithCents>();
       unsigned maxNumContrib = 0;
-      const auto& recoCollsPerMcColl = collisions.sliceBy(colPerMcCollision, particle.mcCollision().globalIndex());
+      const auto& recoCollsPerMcColl = collisions.sliceBy(colPerMcCollision, mcCollision.globalIndex());
       for (const auto& recCol : recoCollsPerMcColl) {
         maxNumContrib = recCol.numContrib() > maxNumContrib ? recCol.numContrib() : maxNumContrib;
       }
+      float const mcCent = o2::hf_centrality::getCentralityColl(mcCollision);
 
       if (particle.originMcGen() == RecoDecay::OriginType::Prompt) {
         registry.fill(HIST("hSparseAcc"),