refactoring: input parameter floorType -> LowEntry

VECTO/Input Files/Engine.vb

VECTO/Input Files/Gearbox.vb

VECTO/Input Files/MockVehicleInputData.vb

VECTO/Input Files/Vehicle.vb

...iewModel/Adapter/Declaration/VehicleDeclarationAdapter.cs

VECTO3GUI/ViewModel/Impl/CompleteVehicleBusViewModel.cs

VectoCommon/VectoCommon/BusAuxiliaries/FloorType.cs

VectoCommon/VectoCommon/InputData/DeclarationInputData.cs

...VectoCore/InputData/FileIO/JSON/JSONComponentInputData.cs

VectoCore/VectoCore/InputData/FileIO/JSON/JSONVehicleData.cs

...aration/DataProvider/XMLDeclarationVehicleDataProvider.cs

...neering/DataProvider/XMLEngineeringVehicleDataProvider.cs

...eader/Impl/DeclarationModeSingleBusVectoRunDataFactory.cs

...VectoCore/OutputData/XML/XMLCustomerReportCompletedBus.cs

...oCore/OutputData/XML/XMLManufacturerReportCompletedBus.cs

...st/Models/Declaration/DeclarationSegmentHeavyBusesTest.cs

...re/VectoCoreTest/Utils/MockDeclarationVehicleInputData.cs

VectoCore/VectoCoreTest/XML/XMLCompleteBusReaderTest.cs