Example of inconsistent boolean clause behavior in ServiceStack ORMLite 4.0.58

SSORMLiteTest.cs

using ServiceStack.DataAnnotations;
using ServiceStack.OrmLite;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SSOrmLiteTest
{
    class Program
    {
        static void Main(string[] args)
        {
            var dbFactory = new OrmLiteConnectionFactory("", SqlServer2012Dialect.Provider);

            var db = dbFactory.CreateDbConnection();

            var exp1 = db.From<Account>()
                        .LeftJoin<CardHolder>((a, ch) => a.Id == ch.AccountId && ch.TestBoolB == true);

            Debug.WriteLine(exp1.BodyExpression);


            var exp2 = db.From<Account>()
                        .LeftJoin<CardHolder>((a, ch) => a.Id == ch.AccountId && a.TestBoolA == true);

            Debug.WriteLine(exp2.BodyExpression);


            var exp3 = db.From<Account>()
                            .Where(a => a.TestBoolA == true);

            Debug.WriteLine(exp3.BodyExpression);

        }
    }

    public class Account
    {
        [PrimaryKey]
        public int Id { get; set; }

        public bool TestBoolA { get; set; }
    }

    public class CardHolder
    {
        [PrimaryKey]
        public int Id { get; set; }

        [References(typeof(Account))]
        public int AccountId { get; set; }

        public bool TestBoolB { get; set; }
    }

}