Enable HLT prescaling tool for L1Decoder (ATR-20865)

The prescaling happens according to the HLTPrescaleSet

Trigger/TrigConfiguration/TrigConfigSvc/python/TrigConfigSvcCfg.py

@@ -189,12 +189,15 @@ def setupHLTPrescaleCondAlg( flags = None ):
 
     if tc["source"] == "COOL":
         if flags is None: # old style config
-            from AthenaCommon.AlgSequence import AthSequencer
-            condSequence = AthSequencer("AthCondSeq")
-            condSequence += hltPrescaleCondAlg
             from IOVDbSvc.CondDB import conddb
             conddb.addFolder( "TRIGGER", getHLTPrescaleFolderName(), className="AthenaAttributeList" )
             log.info("Adding folder %s to conddb", getHLTPrescaleFolderName() )
+    # add the hltPrescaleCondAlg to condseq
+    if flags is None: # old style config
+        from AthenaCommon.AlgSequence import AthSequencer
+        condSequence = AthSequencer("AthCondSeq")
+        condSequence += hltPrescaleCondAlg
+        log.info("Adding HLTPrescaleCondAlg to AthCondSeq")
     return hltPrescaleCondAlg
 
 

Trigger/TrigSteer/L1Decoder/src/L1Decoder.h

@@ -75,7 +75,7 @@ private:
   ToolHandleArray<IRoIsUnpackingTool> m_roiUnpackers{this, "roiUnpackers", {},
       "Tools unpacking RoIs"};
 
-  ToolHandle<IPrescalingTool> m_prescaler{this, "prescaler", "PrescalingEmulationTool/PrescalingEmulationTool", 
+  ToolHandle<IPrescalingTool> m_prescaler{this, "prescaler", "PrescalingTool/PrescalingTool", 
       "Prescaling tool"};
 
   ToolHandleArray<IRoIsUnpackingTool> m_rerunRoiUnpackers{this, "rerunRoiUnpackers", {},