🐞 UI - Multitally - casting error

### Is there an existing issue for this?

- [X] I have searched the existing issues

### Current Behavior

```
18|2023-08-02T11:04:52.3456106+00:00|FATAL|1|App|Unhandled Exception --> System.InvalidCastException: Unable to cast object of type 'System.Int32' to type 'System.Double'.
at ElectionGuard.UI.Views.CreateMultiTallyPage.InitializeComponent()
at ElectionGuard.UI.Views.CreateMultiTallyPage..ctor(CreateMultiTallyViewModel vm)
at System.RuntimeMethodHandle.InvokeMethod(Object target, Void** arguments, Signature sig, Boolean isConstructor)
at System.Reflection.ConstructorInvoker.Invoke(Object obj, IntPtr* args, BindingFlags invokeAttr)
at System.Reflection.RuntimeConstructorInfo.Invoke(BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitConstructor(ConstructorCallSite constructorCallSite, RuntimeResolverContext context)
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitDisposeCache(ServiceCallSite transientCallSite, RuntimeResolverContext context)
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2.VisitCallSite(ServiceCallSite callSite, TArgument argument)
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.Resolve(ServiceCallSite callSite, ServiceProviderEngineScope scope)
at Microsoft.Extensions.DependencyInjection.ServiceLookup.DynamicServiceProviderEngine.<>c__DisplayClass2_0.b__0(ServiceProviderEngineScope scope)
at Microsoft.Extensions.DependencyInjection.ServiceProvider.GetService(Type serviceType, ServiceProviderEngineScope serviceProviderEngineScope)
at Microsoft.Maui.MauiContext.WrappedServiceProvider.GetService(Type serviceType)
at Microsoft.Maui.Controls.Routing.TypeRouteFactory.GetOrCreate(IServiceProvider services)
at Microsoft.Maui.Controls.Routing.GetOrCreateContent(String route, IServiceProvider services)
at Microsoft.Maui.Controls.ShellSection.GetOrCreateFromRoute(String route, ShellRouteParameters queryData, IServiceProvider services, Boolean isLast, Boolean isPopping)
at Microsoft.Maui.Controls.ShellSection.GoToAsync(ShellNavigationRequest request, ShellRouteParameters queryData, IServiceProvider services, Nullable`1 animate, Boolean isRelativePopping)
at Microsoft.Maui.Controls.ShellNavigationManager.GoToAsync(ShellNavigationParameters shellNavigationParameters, ShellNavigationRequest navigationRequest)
at ElectionGuard.UI.Services.NavigationService.GoToPage(Type viewModel, Dictionary`2 pageParams)
at ElectionGuard.UI.ViewModels.AdminHomeViewModel.CreateMultipleTallies()
at CommunityToolkit.Mvvm.Input.AsyncRelayCommand.AwaitAndThrowIfFailed(Task executionTask)
at System.Threading.Tasks.Task.<>c.b__128_0(Object state)
at Microsoft.UI.Dispatching.DispatcherQueueSynchronizationContext.<>c__DisplayClass2_0.b__0()
```

### Expected Behavior

_No response_

### Steps To Reproduce

_No response_

### Environment

```markdown
- OS:
```

### Anything else?

_No response_