Projection on UnionTypes leads to an Unable to cast Exception #6953

[ExtendObjectType(OperationTypeNames.Query)]
public class Queries
{
    public class Base
    {
        public string C { get; set; }
    }

    public class ChildA : Base
    {
        public string A { get; set; }
    }

    public class ChildB : Base
    {
        public string B { get; set; }
    }

    public class ChildAType : ObjectType<ChildA>
    {
        protected override void Configure(IObjectTypeDescriptor<ChildA> descriptor)
        {
            descriptor.Field(_ => _.A).Type<NonNullType<StringType>>();
        }
    }

    public class ChildBType : ObjectType<ChildB>
    {
        protected override void Configure(IObjectTypeDescriptor<ChildB> descriptor)
        {
            descriptor.Field(_ => _.B).Type<NonNullType<StringType>>();
        }
    }

    public class UnionTestType : UnionType
    {
        protected override void Configure(IUnionTypeDescriptor descriptor)
        {
            base.Configure(descriptor);
            descriptor.Name("UnionTestType");
            descriptor.Type<ChildAType>();
            descriptor.Type<ChildBType>();
        }
    }

    [UseProjection]
    [GraphQLType(typeof(ListType<UnionTestType>))]
    public IQueryable<Base> GetUnionTest()
    {
        var types = new List<Base>();
        return types.AsQueryable();
    }
}

query {
  unionTest {
    __typename
    ...on ChildA{
      a
    }
    ... on ChildB {
      b
    }
  }
}

"message":  "Unable to cast object of type 'System.Linq.Expressions.Expression1`1[System.Func`2[System.Object,System.Object]]' to type 'System.Linq.Expressions.Expression`1[System.Func`2[omittedNamespace...Queries+Base,omittedNamespace...Queries+Base]]'.",

"stackTrace": "   at HotChocolate.Data.Projections.Expressions.QueryableProjectionScopeExtensions.Project[T](QueryableProjectionScope scope)\n   at HotChocolate.Data.Projections.Expressions.QueryableProjectionContextExtensions.Project[T](QueryableProjectionContext context)\n   at HotChocolate.Data.Projections.Expressions.QueryableProjectionProvider.<CreateApplicator>b__7_0[TEntityType](IResolverContext context, Object input)\n   at HotChocolate.Data.Projections.Expressions.QueryableProjectionProvider.<>c__DisplayClass4_0`1.<<CreateExecutor>g__ExecuteAsync|1>d.MoveNext()\n--- End of stack trace from previous location ---\n   at HotChocolate.Execution.Processing.Tasks.ResolverTask.ExecuteResolverPipelineAsync(CancellationToken cancellationToken)\n   at HotChocolate.Execution.Processing.Tasks.ResolverTask.TryExecuteAsync(CancellationToken cancellationToken)"

query {
  unionTest {
    __typename
  }
}

### Additional context

_No response_