[PWGCF] Added the loadcorrections function (#10379)

Co-authored-by: Preet Pati <preet@preet-2.local>

Author: Preet-Bhanjan

PWGCF/Flow/Tasks/flowPbpbPikp.cxx

@@ -467,6 +467,7 @@ struct FlowPbpbPikp {
 
     float weff = 1;
     int pidIndex;
+    loadCorrections(bc);
 
     for (auto const& track : tracks) {
       double pt = track.pt();