Collections do not display element index.

[FirstGearGames]

Describe the bug
Collections such as List and Array do not show the index of each element. Problem may exists for other colllection types as well.

Expected behavior
Show indexes to elements.

Code Sample

public class NoIndexDemo : MonoBehaviour
{
    public List<int> _lst;
    public int[] _arry;
}

Screenshots

Unity version: 2019, 2020, 2021 LTS
Tri Inspector version: 1.13.0