adding test for at gearbox, considering torque converter's inertia at engine

...utData/Reader/DataObjectAdapter/DeclarationDataAdapter.cs

...utData/Reader/DataObjectAdapter/EngineeringDataAdapter.cs

...putData/Reader/Impl/DeclarationModeVectoRunDataFactory.cs

...re/InputData/Reader/Impl/EngineOnlyVectoRunDataFactory.cs

...putData/Reader/Impl/EngineeringModeVectoRunDataFactory.cs

VectoCore/VectoCore/Models/Declaration/DeclarationData.cs

.../VectoCore/Models/SimulationComponent/Data/GearboxData.cs

...re/VectoCore/Models/SimulationComponent/Impl/ATGearbox.cs

...Core/VectoCoreTest/Models/Declaration/ShiftPolygonTest.cs

...CoreTest/Models/SimulationComponentData/ValidationTest.cs

...re/VectoCoreTest/TestData/Components/AT_GBX/AT-Shift.vgbs

...Core/VectoCoreTest/TestData/Components/AT_GBX/Engine.veng

...oCore/VectoCoreTest/TestData/Components/AT_GBX/FCMap.vmap

...re/VectoCoreTest/TestData/Components/AT_GBX/FullLoad.vfld

...ore/VectoCoreTest/TestData/Components/AT_GBX/Gearbox.vgbx

...oCoreTest/TestData/Components/AT_GBX/TorqueConverter.vtcc

VectoCore/VectoCoreTest/Utils/MockSimulationDataFactory.cs

VectoCore/VectoCoreTest/VectoCoreTest.csproj