Test for DecayTreeFitterAlg

Test for DecayTreeFitterAlg and subsequent functors. Based on Phys!970 (merged) and Rec!2504 (merged)

DaVinciExamples/python/DaVinciExamples/tupling/example-tupling-DTF-run-mc.py

@@ -126,7 +126,7 @@ def main():
             pdtDM,
             DTF,
             pdtDTF,
-            filteredPsi,  # pdtFilter, 
+            filteredPsi,  # pdtFilter,
             tuple_dimuons
         ],
     }