add skipNonExistingSrc to hlt Tracksters table and re-order BuildFile

Author: mmusich

HLTrigger/NGTScouting/plugins/BuildFile.xml

@@ -1,18 +1,17 @@
-<use name="FWCore/Common"/>
-<use name="FWCore/Framework"/>
-<use name="FWCore/ParameterSet"/>
-<use name="FWCore/Utilities"/>
-<use name="DataFormats/VertexReco"/>
-<use name="DataFormats/Candidate"/>
 <use name="CommonTools/Utils"/>
-<use name="DataFormats/NanoAOD"/>
-<use name="RecoVertex/VertexTools"/>
+<use name="DataFormats/Candidate"/>
 <use name="DataFormats/Common"/>
 <use name="DataFormats/HGCalReco"/>
-<use name="DataFormats/PatCandidates"/>
+<use name="DataFormats/NanoAOD"/>
 <use name="DataFormats/ParticleFlowCandidate"/>
+<use name="DataFormats/PatCandidates"/>
+<use name="DataFormats/Scouting"/>
 <use name="DataFormats/StdDictionaries"/>
+<use name="DataFormats/VertexReco"/>
+<use name="FWCore/Common"/>
+<use name="FWCore/Framework"/>
+<use name="FWCore/ParameterSet"/>
+<use name="FWCore/Utilities"/>
 <use name="PhysicsTools/NanoAOD"/>
-<use name="DataFormats/Scouting"/>
+<use name="RecoVertex/VertexTools"/>
 <use name="boost"/>
-

HLTrigger/NGTScouting/python/hltTracksters_cfi.py

@@ -8,6 +8,7 @@
 ### Tracksters
 hltTrackstersTable = cms.EDProducer(
     "TracksterCollectionTableProducer",
+    skipNonExistingSrc = cms.bool(True),
     src=cms.InputTag("hltTiclTrackstersMerge"),
     cut=cms.string(""),
     name=cms.string("tracksters"),