A fix to curvy spline, to be able to use spline inside prefab without having a curvyglobal in the opened scene

CurvyFix.cs

#if UNITY_EDITOR
using System;
using System.Collections;
using System.Collections.Generic;
using FluffyUnderware.Curvy;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEditor;
using UnityEditor.SceneManagement;

namespace Utils
{
    public class CurvyFix
    {
        #region Unity Methods

        [InitializeOnLoadMethod]
        protected static void InitializeOnLoadMethod()
        {
            EditorSceneManager.sceneOpened += SceneOpened;
            EditorSceneManager.newSceneCreated += NewSceneCreated;
            EditorSceneManager.sceneSaving += SceneSaving;
            
            CurvyGlobalManager.HideManager = true;
            CurvyGlobalManager curvyGlobalManager = CurvyGlobalManager.Instance;
        }

        private static void SceneSaving(Scene scene, string path)
        {
            CurvyGlobalManager curvyGlobalManager = CurvyGlobalManager.Instance;
            curvyGlobalManager.gameObject.hideFlags = HideFlags.HideAndDontSave;
        }

        private static void NewSceneCreated(Scene scene, NewSceneSetup setup, NewSceneMode mode)
        {
            CurvyGlobalManager.HideManager = true;
            CurvyGlobalManager curvyGlobalManager = CurvyGlobalManager.Instance;
        }

        private static void SceneOpened(Scene scene, OpenSceneMode mode)
        {
            CurvyGlobalManager.HideManager = true;
            CurvyGlobalManager curvyGlobalManager = CurvyGlobalManager.Instance;
        }

        #endregion
    }
}
#endif