in modal popups, show a Controls panel nf-wn36 ← Beads

Twinned from https://github.com/cfsh/ninefold/issues/318 by tools/beads/import_github.py's reconcile pass.

and use this instead of the rough notes for controls that appear in the modals today.

Lets show a new control panel that appears floating just to the right of the modal popup with the relevant controls