Guid Primary Key is not being set if the Class Name is a Mapped Class

[mikependon]

[Map("DatabaseCheckActivity")]
public class DatabaseCheckActivityAllocation
{
public Guid Id { get; set; }
public long LargePageAllocationsInKb { get; set; }
public long LockedPageAllocationsInKb { get; set; }
public long TotalVirtualAddressSpaceInKb { get; set; }
public long VirtualAddressSpaceReservedInKb { get; set; }
public long VirtualAddressSpaceCommittedInKb { get; set; }
public long VirtualAddressSpaceAvailableInKb { get; set; }
}

var allocation = _serviceMonitorRepository
.Query<WebModels.DatabaseCheckActivityAllocation>(new { Id = databaseCheckId })
.Select(databaseCheckActivity => Convert(databaseCheckActivity))
.FirstOrDefault();

---

Result: The allocation.Id is an Empty Guid

[mikependon]

USE [TestDb]
GO

/****** Object: Table [dbo].[TestTable] Script Date: 11/10/2018 7:52:14 PM ******/
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO

CREATE TABLE [dbo].[TestTable](
[Id] [uniqueidentifier] NOT NULL,
[Value] nvarchar NOT NULL,
CONSTRAINT [PK_TestTable] PRIMARY KEY CLUSTERED
(
[Id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]

GO

INSERT INTO [dbo].[TestTable] ([Id], [Value]) SELECT NEWID(), 'Test-1';
INSERT INTO [dbo].[TestTable] ([Id], [Value]) SELECT NEWID(), 'Test-2';
INSERT INTO [dbo].[TestTable] ([Id], [Value]) SELECT NEWID(), 'Test-3';

---

using RepoDb;
using RepoDb.Attributes;
using System;
using System.Data.SqlClient;

namespace TestQueryRepoDb
{
[Map("TestTable")]
public class Test
{
public Guid Id { get; set; }
public string Value { get; set; }
}

class Program
{
    static void Main(string[] args)
    {
        Console.WriteLine("Hello World!");
        using (var connection = new SqlConnection("Server=.;Database=TestDb;Integrated Security=True;"))
        {
            var tests = connection.Query<Test>();
        }
    }
}

}