[TOC] Layers group disappears if no layer has been added immediately

[catmorales]

Description

When addind a new layers group in the layers list (table of contents), if you do another action (eg: open the map templates catalog to search layers) before adding a layer in it, the layers group disappears.

What kind of improvement you want to add? (check one with "x", remove the others)

• [ ] Minor changes to existing features
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] CI related changes
• [ ] Mapstore2georchestra improvement
• [ ] Mapstore2 improvement
• [ ] Other... Please describe:

Other useful information

[tdipisa]

@catmorales thank you for reporting. It seems to be reproducible only in the use case you have indicated with the video above and so:

• creating a new empty group
• add a map template