OdinMenuTree search is not properly work if name is '$'

[Former user]

1. If add item with name $, search is not worked
2. Add item with name $ to OdinMenuTree: OdinMenuItem item = new OdinMenuItem(tree, "$", null); tree.RootMenuItem.ChildMenuItems.Add(item);
3. Nothing to show
4. 2018.2.5f1
5. 2.0.1
6. no
7. windows 10