dead end page for null search results #266
Description
Use Case
UX has provided designs for dead ends when search results don't turn anything up:
https://www.figma.com/design/kMIJN6BoOkXIhnVUruIHNT/Website-allencell.org?node-id=5836-9870&t=nBLvVnwDN2dpJbO3-4
Acceptance Criteria
Categories with no results show the dead end message, and are pushed to the bottom of the order.
Details
Please provide any helpful specifications