Fix muon trigger configuration when running RDOtoRDOtrigger

There is some conflict between RecExCommon_topOptions.py and runHLT_standalone.py, where the former is configuring some tools used in the muon trigger before we can set the appropriate flag in runHLT_standalone.py to configure the tools correctly for the trigger. To avoid this, we can set the flag needed for the trigger before including RecExCommon_topOptions.py. This fixes ATR-21707.

Reconstruction/RecJobTransforms/share/skeleton.RDOtoRDOtrigger.py

@@ -105,6 +105,8 @@ if TriggerFlags.doMT():
 #========================================================
 # Central topOptions (this is one is a string not a list)
 #========================================================
+if TriggerFlags.doMT():
+    TriggerFlags.MuonSlice.doTrigMuonConfig=True
 if hasattr(runArgs,"topOptions"): include(runArgs.topOptions)
 else: include( "RecExCommon/RecExCommon_topOptions.py" )