The Style editor crashes for certain FGB layers

[ElenaGallo]

Description

When attempting to open the style editor for the FlatGeobuf layer, the application crashes and displays a grey error page.

How to reproduce

• Open this map: https://dev-mapstore.geosolutionsgroup.com/mapstore/#/viewer/62676
• Select the UScounties layer in the TOC
• Click on the Settings icon
• Switch to the Style tab

Expected Result

The style editor should open successfully, allowing the user to edit the style just as it happens with the second FGB layer ("data layer") in the TOC

Current Result

Si apre la pagina di errore
The application crashes and displays the grey error page

• Not browser related

Browser info

(use this site: https://www.whatsmybrowser.org/ for non expert users)

Browser Affected	Version
Internet Explorer
Edge
Chrome
Firefox
Safari

Other useful information