React BreadcrumbItem overflow position and shark fin incorrect

[lee-chase]

What package(s) are you using?

• carbon-components
• carbon-components-react

Detailed description

Describe in detail the issue you're having.
The overflow in a breadcrumb should have a sharkfin and an offset but does not because displayName is never set in this code

This is probably because the recently introduced createComponentToggle results in

Is this issue related to a specific component?

Breadcrumb using an overflow

What did you expect to happen? What happened instead? What would you like to
see changed?

As described above before regression.

What browser are you working in?

Chrome.

What version of the Carbon Design System are you using?

10.38.0 (latest)

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

@caronb/ibm-cloud-cognitive