Detailed description

Describe in detail the issue you're having. Is this a feature request (new component, new icon), a bug, or a general issue?
Dropdown menu doesn't use ellipsis for lengthy text that doesn't fit in the menu. Text goes outside the menu box.

Is this issue related to a specific component? Yes, DropdownItem

What did you expect to happen? What happened instead? What would you like to see changed?
Expected to have ellipsis for text overflow

What browser are you working in?
chrome

What version of the Carbon Design System are you using?
carbon-components: 8.1.9
carbon-components-react: 5.0.1

What offering/product do you work on? Any pressing ship or release dates we should be aware of?
IBM Cloud Private