module-navigation-tool/Editor/Toolbar/Tools/ToolUICanvasPickerPostProcess.cs

using Game.NavigationTool.Editor.Tools;
using UnityEditor;
using UnityEditor.SceneManagement;
using UnityEngine.SceneManagement;

namespace Game.NavigationTool.Editor.Toolbar
{
    [InitializeOnLoad]
    internal static class ToolUICanvasPickerPostProcess
    {
        static ToolUICanvasPickerPostProcess()
        {
            EditorSceneManager.sceneSaved -= OnSceneSaved;
            EditorSceneManager.sceneOpened -= OnSceneOpened;
            EditorSceneManager.sceneClosed -= OnSceneClosed;
            
            EditorSceneManager.sceneSaved += OnSceneSaved;
            EditorSceneManager.sceneOpened += OnSceneOpened;
            EditorSceneManager.sceneClosed += OnSceneClosed;
        }

        private static void OnSceneSaved(Scene scene)
        {
            ToolUICanvasPicker.SetAsDirty();
        }

        private static void OnSceneOpened(Scene scene, OpenSceneMode mode)
        {
            ToolUICanvasPicker.SetAsDirty();
        }

        private static void OnSceneClosed(Scene scene)
        {
            ToolUICanvasPicker.SetAsDirty();
        }
    }
}