Update DIToolkitPackage.cs

create and add commands on the main UI thread to support package background loading

src/Core/Shared/DIToolkitPackage.cs

@@ -54,6 +54,8 @@ protected override async Task InitializeAsync(CancellationToken cancellationToke
                 .Where(x => typeof(BaseDICommand).IsAssignableFrom(x.ImplementationType))
                 .ToList();
 
+            await JoinableTaskFactory.SwitchToMainThreadAsync();
+
             foreach (var command in commands)
             {
                 var baseCommandTypeGeneric = typeof(CommandWrapper<>).MakeGenericType(command.ImplementationType);