change hardcode sensitive type to optional

Detector/DetCRD/compact/CRD_common_v01/Ecal_Crystal_Barrel_v01_01.xml

@@ -15,6 +15,7 @@
 
   <detectors>
     <detector id="DetID_ECAL" name="CaloDetector" type="CRDEcalBarrel_v01" readout="EcalBarrelCollection" vis="Invisible" sensitive="true" region="EcalBarrelRegion">
+      <sensitive type="scintillator"/>
       <!-- Use cm as unit if you want to use Pandora for reconstruction -->
     </detector>
   </detectors>

Detector/DetCRD/src/Calorimeter/CRDEcal.cpp

@@ -128,7 +128,8 @@ static dd4hep::Ref_t create_detector(dd4hep::Detector& theDetector,
 		sd.setPlacement(plv);
 	}
 
-	sens.setType("calorimeter");
+	xml_dim_t sd_typ = x_det.child(_U(sensitive));
+	sens.setType(sd_typ.typeStr());
 
 	MYDEBUG("create_detector DONE. ");
 	return ECAL;

Detector/DetCRD/src/Calorimeter/CRDEcal_v01.cpp

@@ -182,8 +182,9 @@ static dd4hep::Ref_t create_detector(dd4hep::Detector& theDetector,
   	 DetElement sd(ECAL, _toString(i,"trap%3d"), detid);
   	 sd.setPlacement(plv);
   }
-  
-  sens.setType("calorimeter");
+
+  xml_dim_t sd_typ = x_det.child(_U(sensitive));
+  sens.setType(sd_typ.typeStr());
   ECAL.addExtension< LayeredCalorimeterData >( caloData ) ; 
 
   MYDEBUG("create_detector DONE. ");