The DropdownMenu component is throwing a warn due to duplicate ids.
The map over `items` prop is not using a `key` prop for each item.
- Navigate to Product Menu > Content & Data > Web Content and at least 1 web basic contents
- Navigate to Product Menu > Content & Data > Documents and Media and create at least 1 document or media
- Enable FF
- Navigate to Applications Menu > Content Dashboard, open browser console, a warning should appear: