Update example OnnxObjectDetectionWeb from ML.NET 1.4.0 to 2.0.0 getting error?

I changed the packages from 1.4.0 to 2.0.0 and got this error, apparently version 2.0.0 no longer has the Drawing.Common package, so I had to install it myself. I got an error

```
Unhandled exception. System.ArgumentOutOfRangeException: Could not determine an IDataView type and registered custom types for member Image (Parameter 'rawType')
at Microsoft.ML.Data.InternalSchemaDefinition.GetVectorAndItemType(String name, Type rawType, IEnumerable`1 attributes, Boolean& isVector, Type& itemType)
at Microsoft.ML.Data.InternalSchemaDefinition.GetVectorAndItemType(MemberInfo memberInfo, Boolean& isVector, Type& itemType)
at Microsoft.ML.Data.SchemaDefinition.Create(Type userType, Direction direction)
at Microsoft.ML.Data.InternalSchemaDefinition.Create(Type userType, Direction direction)
at Microsoft.ML.Data.DataViewConstructionUtils.CreateFromEnumerable[TRow](IHostEnvironment env, IEnumerable`1 data, SchemaDefinition schemaDefinition)
at Microsoft.ML.DataOperationsCatalog.LoadFromEnumerable[TRow](IEnumerable`1 data, SchemaDefinition schemaDefinition)
at OnnxObjectDetection.OnnxModelConfigurator.SetupMlNetModel(IOnnxModel onnxModel) in /Users/phungvuong/Documents/coding/ML.NEt/MirrorLocation/OnnxObjectDetection/ML/OnnxModelConfigurator.cs:line 23
at OnnxObjectDetection.OnnxModelConfigurator..ctor(IOnnxModel onnxModel) in /Users/phungvuong/Documents/coding/ML.NEt/MirrorLocation/OnnxObjectDetection/ML/OnnxModelConfigurator.cs:line 18
at OnnxObjectDetectionWeb.Startup..ctor(IConfiguration configuration) in /Users/phungvuong/Documents/coding/ML.NEt/MirrorLocation/OnnxObjectDetectionWeb/Startup.cs:line 27
at System.RuntimeMethodHandle.InvokeMethod(Object target, Span`1& arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
at System.Reflection.RuntimeConstructorInfo.Invoke(BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at Microsoft.Extensions.DependencyInjection.ActivatorUtilities.ConstructorMatcher.CreateInstance(IServiceProvider provider)
at Microsoft.Extensions.DependencyInjection.ActivatorUtilities.CreateInstance(IServiceProvider provider, Type instanceType, Object[] parameters)
at Microsoft.AspNetCore.Hosting.GenericWebHostBuilder.UseStartup(Type startupType, HostBuilderContext context, IServiceCollection services, Object instance)
at Microsoft.AspNetCore.Hosting.GenericWebHostBuilder.<>c__DisplayClass13_0.b__0(HostBuilderContext context, IServiceCollection services)
at Microsoft.Extensions.Hosting.HostBuilder.CreateServiceProvider()
at Microsoft.Extensions.Hosting.HostBuilder.Build()
```