API Fix: Improvements to data supplied in challenge win notifications (thanks to @paglias) Chore: Restore recently reverted PRs (#12735 and #12444) Client Fix: Front-end design improvements for challenge won notifications (thanks to @paglias) Fix: Style improvements for selections in dropdown menus (thanks to @negue) Fix: Correctly remove tag from selected list when it is deleted (thanks to @jbusa22)