Use of non-default style of a Layer

[ibarzrm]

Describe the bug
The changes of the selection of the styles inside the layer are not saved.
No error is displayed, but the changes are not retained when re-entering the layer or in the viewer application.

To Reproduce
Steps to reproduce the behaviour:

1. Go to 'Capes’
2. Click on 'Edition'
3. Scroll down to ' Configuració d'estils'
4. Change selection one for another to ‘estil per defecte’
5. Save

Expected behavior
The selected style is saved.

Screenshots

Error detected when saving:

Desktop (please complete the following information):

• OS: Windows10
• Browser chrome
• Version 130.0.6723.117

Additional context
As an alternative, it has been tried to introduce the parameter directly in the definition of the service, but it doesn't work either.