feat: Use dropdown for units when there are more than would fit in the UI #321

xitij2000 wants to merge 2 commits into

mitodl:mitx/teakmitodl/edx-platform:mitx/teakfrom

open-craft:kshitij/sequence-ui-fix.mitx.teakopen-craft/openedx-platform:kshitij/sequence-ui-fix.mitx.teakCopy head branch name to clipboard