FE parts only, depends on https://gitlab.com/gitlab-org/gitlab/-/merge_requests/24812

Remove docs link and icon in scoped labels
Revert CSS changes

https://gitlab.com/gitlab-org/gitlab/-/merge_requests/21414

  * Trying vanilla first

and add remaining specs

We only need it in a single place, but were previously passing
from backend via a bunch of constructors then eventually assigning

https://gitlab.com/gitlab-org/gitlab/-/merge_requests/21409

This might have done something once but it doesn't anymore

This reverts commit 57e09834.

This reverts merge request !16317

This adds ability to drag and drop multiple issues from
one list to another, while keeping the parity with single
drag and drop features.

Add boilerplate and update backend to
support saving board list state to backend