[PWGDQ] Update dqEfficiency_withAssoc.cxx (#13285)

Author: shreyasiacharya

PWGDQ/Tasks/dqEfficiency_withAssoc.cxx

@@ -2230,7 +2230,8 @@ struct AnalysisSameEventPairing {
       if (!event.has_reducedMCevent()) {
         continue;
       }
-
+      VarManager::FillEvent<gkEventFillMap>(event, VarManager::fgValues);
+      VarManager::FillEvent<VarManager::ObjTypes::ReducedEventMC>(event.reducedMCevent(), VarManager::fgValues);
       // auto groupedMCTracks = mcTracks.sliceBy(perReducedMcGenEvent, event.reducedMCeventId());
       // groupedMCTracks.bindInternalIndicesTo(&mcTracks);
       // for (auto& track : groupedMCTracks) {