Potential fix for M.E.DI failure

Fixes?

    [15:12:46.2484560] 2025-01-22 15:12:46.242709-0800 RunOniOSmauiRel1586373188[97228:54445246] Received unhandled Objective-C exception that was marshalled from a managed exception: A suitable constructor for type 'Microsoft.Maui.Hosting.FontsMauiAppBuilderExtensions+FontInitializer' could not be located. Ensure the type is concrete and services are registered for all parameters of a public constructor. (System.InvalidOperationException)
[15:12:46.2484780]    at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteFactory.CreateConstructorCallSite(ResultCache, ServiceIdentifier, Type, CallSiteChain) + 0x4de
[15:12:46.2485210]    at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteFactory.TryCreateExact(ServiceDescriptor, ServiceIdentifier, CallSiteChain, Int32) + 0x1a5
[15:12:46.2485640]    at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteFactory.TryCreateEnumerable(ServiceIdentifier, CallSiteChain) + 0x42f
[15:12:46.2485930]    at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteFactory.CreateCallSite(ServiceIdentifier serviceIdentifier, CallSiteChain callSiteChain) + 0xfb
[15:12:46.2486100]    at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteFactory.GetCallSite(ServiceIdentifier, CallSiteChain) + 0x92
[15:12:46.2486220]    at Microsoft.Extensions.DependencyInjection.ServiceProvider.CreateServiceAccessor(ServiceIdentifier serviceIdentifier) + 0x68
[15:12:46.2486330]    at System.Collections.Concurrent.ConcurrentDictionary`2.GetOrAdd(TKey, Func`2) + 0xdc
[15:12:46.2486790]    at Microsoft.Extensions.DependencyInjection.ServiceProvider.GetService(ServiceIdentifier, ServiceProviderEngineScope) + 0x39
[15:12:46.2486900]    at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider, Type) + 0x3d
[15:12:46.2487000]    at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[T](IServiceProvider) + 0x2f
[15:12:46.2487100]    at Microsoft.Maui.MauiContextExtensions.InitializeAppServices(MauiApp) + 0x1b
[15:12:46.2487190]    at Microsoft.Maui.Hosting.MauiAppBuilder.Build() + 0x67
[15:12:46.2487420]    at Microsoft.Maui.MauiUIApplicationDelegate.WillFinishLaunching(UIApplication application, NSDictionary launchOptions) + 0x44
[15:12:46.2487530]    at RunOniOSmauiRel1586373188!<BaseAddress>+0xe200a

src/Core/src/Hosting/Fonts/FontsMauiAppBuilderExtensions.cs

@@ -57,26 +57,23 @@ internal void AddFonts(IFontCollection fonts)
 
 		internal class FontInitializer : IMauiInitializeService
 		{
-			private readonly IEnumerable<FontsRegistration> _fontsRegistrations;
+			readonly FontsRegistration _fontsRegistration;
 			readonly IFontRegistrar _fontRegistrar;
 
-			public FontInitializer(IEnumerable<FontsRegistration> fontsRegistrations, IFontRegistrar fontRegistrar)
+			public FontInitializer(FontsRegistration fontsRegistration, IFontRegistrar fontRegistrar)
 			{
-				_fontsRegistrations = fontsRegistrations;
+				_fontsRegistration = fontsRegistration;
 				_fontRegistrar = fontRegistrar;
 			}
 
 			public void Initialize(IServiceProvider __)
 			{
-				if (_fontsRegistrations != null)
+				if (_fontsRegistration != null)
 				{
 					var fontsBuilder = new FontCollection();
 
 					// Run all the user-defined registrations
-					foreach (var font in _fontsRegistrations)
-					{
-						font.AddFonts(fontsBuilder);
-					}
+					_fontsRegistration.AddFonts(fontsBuilder);
 
 					// Register the fonts in the registrar
 					foreach (var font in fontsBuilder)