A Solution to Unity's annoying layout groups that doesn't update itself properly after any child state change. This script adds LayoutRebuilder script to the game object whenever you create a layout group in the inspector and update layout groups whenever needed at runtime

LayoutRebuilder.cs

    using System.Collections;
    using UnityEngine;

    [DisallowMultipleComponent]
    public class LayoutRebuilder : MonoBehaviour
    {
        private bool marked = false;
        private RectTransform _rectTransform;
        public RectTransform rectTransform
        {
            get
            {
                if (_rectTransform == null)
                {
                    _rectTransform = GetComponent<RectTransform>();
                }
                return _rectTransform;
            }
        }
        private LayoutRebuilder _parentLayoutRebuilder;
        IEnumerator Start()
        {
            if (transform.parent != null)
                _parentLayoutRebuilder = transform.parent.GetComponentInParent<LayoutRebuilder>();

            yield return null;
            var _childLayoutRebuilders = GetComponentsInChildren<LayoutRebuilder>();
            if (_childLayoutRebuilders.Length == 1)
            {
                UpdateLayout();
            }
        }
        void OnTransformChildrenChanged()
        {
            UpdateLayout();
        }
        void OnChildRectTransformDimensionsChange()
        {
            UpdateLayout();
        }
        void OnCanvasGroupChanged()
        {
            UpdateLayout();
        }
        void OnRectTransformRemoved()
        {
            UpdateLayout();
        }
        void OnTransformParentChanged()
        {
            _parentLayoutRebuilder = GetComponentInParent<LayoutRebuilder>();
            UpdateLayout();
        }
        void OnRectTransformDimensionsChange()
        {
            UpdateLayout();
        }
        public void UpdateLayout()
        {
            if (marked) return;
            marked = true;
            UnityEngine.UI.LayoutRebuilder.ForceRebuildLayoutImmediate(rectTransform);
            if (_parentLayoutRebuilder != null)
                _parentLayoutRebuilder.UpdateLayout();
        }
        void Update()
        {
            if (marked)
                marked = false;
        }
    }
#if UNITY_EDITOR

    [UnityEditor.InitializeOnLoad]
    public static class LayoutRebuilderAutoAdder
    {
        static LayoutRebuilderAutoAdder()
        {
            UnityEditor.ObjectFactory.componentWasAdded -= OnComponentAdded;
            UnityEditor.ObjectFactory.componentWasAdded += OnComponentAdded;
        }
        private static void OnComponentAdded(Component component)
        {
            if (component is UnityEngine.UI.LayoutGroup)
            {
                var go = component.gameObject;

                if (!go.GetComponent<LayoutRebuilder>())
                {
                    go.AddComponent<LayoutRebuilder>();
                }
            }
        }
    }
#endif