Show EntityId and DataId as readonly properties in inspector/editor for MMORPGKIT

MMORPGKIT_Ext_DataEntityId.cs

using UnityEngine;
using UnityEngine.Serialization;
using System;
using Unity.Collections;
using LiteNetLib;
using LiteNetLibManager;
using LiteNetLib.Utils;
using ReadOnlyAttribute = Unity.Collections.ReadOnlyAttribute;
#if UNITY_EDITOR
using UnityEditor;
#endif

namespace MultiplayerARPG
{
    public abstract partial class BaseGameData : ScriptableObject, IGameData, IComparable
    {
        [Category("DataId/EntityId")]
        [Header("DataId/EntityId")]
        [ReadOnly]
        public int dataId_readonly;
        public int entityId_readonly;

        //Need to add call to this method in OnValidate() of BaseGameData.cs
        void ShowDataIdReadOnly()
        {
            this.dataId_readonly = this.DataId;
        }

    }

    public abstract partial class BasePlayerCharacterEntity
    {
        void ShowDataIdReadOnly()
        {
            this.entityId_readonly = this.EntityId;
            this.dataId_readonly = this.DataId;
        }

#if UNITY_EDITOR
        protected override void OnValidate()
        {

            base.OnValidate();
            this.ShowDataIdReadOnly();
        }
#endif
    }

    public abstract partial class BaseMonsterCharacterEntity
    {
        void ShowDataIdReadOnly()
        {
            this.entityId_readonly = this.EntityId;
            this.dataId_readonly = this.DataId;
        }

#if UNITY_EDITOR
        protected override void OnValidate()
        {

            base.OnValidate();
            this.ShowDataIdReadOnly();
        }
#endif
    }

    public abstract partial class DamageableEntity 
    {
        [Category("DataId/EntityId")]
        [Header("DataId/EntityId")]
        [ReadOnly]
        public int dataId_readonly;
        public int entityId_readonly;
        void ShowDataIdReadOnly()
        {
            this.entityId_readonly = this.EntityId;
            this.dataId_readonly = 0;
        }

#if UNITY_EDITOR
        protected override void OnValidate()
        {

            base.OnValidate();
            this.ShowDataIdReadOnly();
        }
#endif
    }
}

Need to add call to ShowDataIdReadOnly() method in OnValidate() of BaseGameData.cs
Not needed for all other classes

#if UNITY_EDITOR
        protected void OnValidate()
        {
            if (Validate())
                EditorUtility.SetDirty(this);

            //TODO: #COREEDIT Show dataid in inspector
            ShowDataIdReadOnly();
        }
#endif