AdminLTETags: Form Fields Jstree does not show correct hierarchy for sub tabs

<img width="1031" height="540" alt="Image" src="https://github.com/user-attachments/assets/5dffa6d2-fb17-4292-8f1e-9a00b8f08c9b" />

See attached image for Core. We have tabs that are inside tabs. The hierarchy should be visible correctly, but instead its shows only in 1 sub hierarchy.