YAMO-Unity6_MainProject/Assets/External/VRMTools/KeepSceneViewActive.cs

using UnityEditor;
using UnityEngine;

namespace VRMTools
{
    public class KeepSceneViewActive : MonoBehaviour
    {
        void Start()
        {
            if (Application.isEditor)
            {
                SceneView.FocusWindowIfItsOpen(typeof(SceneView));
            }
        }
    }
}