fix: set vehicle group before initializing report

VectoCore/VectoCore/InputData/Reader/Impl/DeclarationModeVectoRunDataFactory.cs

@@ -131,6 +131,7 @@ namespace TUGraz.VectoCore.InputData.Reader.Impl
 					_segment.VehicleClass),
 				InputDataHash = InputDataProvider.XMLHash
 			};
+			powertrainConfig.VehicleData.VehicleClass = _segment.VehicleClass;
 			Report.InitializeReport(powertrainConfig);
 		}
 
@@ -205,4 +206,4 @@ namespace TUGraz.VectoCore.InputData.Reader.Impl
 			return DeclarationData.Segments.Lookup(category, axles, grossMassRating, curbWeight);
 		}
 	}
-}
\ No newline at end of file
+}