Dropdown button options are being rendered twice

[jorgeltd]

Describe the bug

DSpace version: 2025.02.01.01
Dropdown button options are being rendered twice inside items forms.

To Reproduce

Steps to reproduce the behavior:

1. Start submission of any item.
2. Click any dropdown option that is not vocabulary controlled.
3. Options will be rendered twice.

Expected behavior

Options need to be rendered one time only.