Enabling DiTauSmearingAlg in CPAlgorithms

Following up from !66610 (merged) and as requested by @krumnack, this MR re-enabled the usage of DiTauSmearingAlg in CP Algorithms

Tagging @martindl

PhysicsAnalysis/Algorithms/TauAnalysisAlgorithms/Root/DiTauSmearingAlg.cxx

@@ -15,7 +15,6 @@
 //
 // method implementations
 //
-#ifdef TAU_ANALYSIS_ALGORITHMS__DI_TAU_CALIBRATION_AND_SMEARING_ALG_H
 
 namespace CP
 {
@@ -34,10 +33,10 @@ namespace CP
   initialize ()
   {
     ANA_CHECK (m_smearingTool.retrieve());
-    m_systematicsList.addHandle (m_tauHandle);
-    ANA_CHECK (m_systematicsList.addAffectingSystematics (m_smearingTool->affectingSystematics()));
+    ANA_CHECK (m_tauHandle.initialize (m_systematicsList));
+    ANA_CHECK (m_preselection.initialize (m_systematicsList, m_tauHandle, SG::AllowEmpty));
+    ANA_CHECK (m_systematicsList.addSystematics (*m_smearingTool));
     ANA_CHECK (m_systematicsList.initialize());
-    ANA_CHECK (m_preselection.initialize());
     ANA_CHECK (m_outOfValidity.initialize());
     return StatusCode::SUCCESS;
   }
@@ -54,7 +53,7 @@ namespace CP
       ANA_CHECK (m_tauHandle.getCopy (taus, sys));
       for (xAOD::DiTauJet *tau : *taus)
       {
-        if (m_preselection.getBool (*tau))
+        if (m_preselection.getBool (*tau, sys))
         {
           ANA_CHECK_CORRECTION (m_outOfValidity, *tau, m_smearingTool->applyCorrection (*tau));
         }
@@ -63,4 +62,4 @@ namespace CP
     return StatusCode::SUCCESS;
   }
 }
-#endif
+