CA: QA: Added CbmEvent-based execution to the time-slice reader and MC-module of CA

• QA: A possibility of running on CbmEvents is introduced; CA: Timeslice reading is improved in order to fit the event-base mode
• Event reading is unified for CbmL1 and the output QA
• CbmL1 cleaned up

algo/ca/core/pars/CaMaterialMap.cxx

@@ -133,3 +133,14 @@ void MaterialMap::Swap(MaterialMap& other) noexcept
   std::swap(fZmax, other.fZmax);
   std::swap(fTable, other.fTable);  // Probably can cause segmentation violation (did not understand)
 }
+
+//------------------------------------------------------------------------------------------------------------------------------------
+//
+std::string MaterialMap::ToString() const
+{
+  std::stringstream msg;
+  using std::setw;
+  msg << "[mat.map] nBins " << setw(6) << fNbins << ", XYmax " << setw(12) << fXYmax << " , z (ref, min, max) "
+      << setw(12) << fZref << ' ' << setw(12) << fZmin << ' ' << setw(12) << fZmax;
+  return msg.str();
+}