Fix comma delimited array model binder

Jellyfin.Api/ModelBinders/CommaDelimitedArrayModelBinder.cs

@@ -18,11 +18,6 @@ namespace Jellyfin.Api.ModelBinders
             var elementType = bindingContext.ModelType.GetElementType();
             var converter = TypeDescriptor.GetConverter(elementType);
 
-            if (valueProviderResult == ValueProviderResult.None)
-            {
-                return Task.CompletedTask;
-            }
-
             if (valueProviderResult.Length > 1)
             {
                 var result = Array.CreateInstance(elementType, valueProviderResult.Length);