Resolve "dawn view CI fix"

IDDescriptor ERROR dd4hep: MRICHHits: This ID descriptor has no field with the name: sector

Geant4VolumeManager ERROR populate: Severe error: Duplicated Volume entry: 0x1A0 [THIS SHOULD NEVER HAPPEN]
Geant4VolumeManager ERROR  Known G4 path: /ffi_ZDC_GVol_Logic_2/ffi_ZDC_ECAL_Logic_Tower_0
Geant4VolumeManager ERROR      TGeo path: /world_volume_1/ffi_ZDC_GVol_Logic_2/ffi_ZDC_ECAL_Logic_Tower_64
Geant4VolumeManager ERROR  Offend.VolIDs: system=160,160 [0,8] sector=1,1 [8,6] module=64,0 [14,6]

Closes #43 (closed)

compact/ce_mrich.xml

@@ -13,7 +13,7 @@
   <readouts>
     <readout name="MRICHHits">
       <segmentation type="CartesianGridXY" grid_size_x="3*mm" grid_size_y="3*mm" />
-      <id>system:8,layer:4,piece:4,module:14,x:32:-16,y:-16</id>
+      <id>system:8,sector:8,module:14,x:32:-16,y:-16</id>
     </readout>
   </readouts>