No features selected when trying to copy from an external layer

[leolami]

Checklist

• [x] I've searched through the existing issues and this bug has never been reported before

Subject of the issue

In relational (1:N) vector editing there is the possibility of copying the feature from another layer, including, for example, a KML loaded with the AddLayer tool

Steps to reproduce

https://github.com/g3w-suite/g3w-admin/assets/4012899/592f0010-1dda-47f9-9d8b-4b8168f20e58

Environment

• g3w-admin: 3.8.dev-20240606150923
• g3w-client: 3.10.0-alpha.2
  • editing: 3.8.0-alpha.2
  • qtimeseries: undefined
• browser: Chrome 125.0.0.0
• operating system: Windows 10 64-bit

Link to your project

https://dev.g3wsuite.it/en/map/iim/qdjango/275/

Additional info

No response