config and css for term-reference-tree track_list

config/sync/core.entity_form_display.node.materiau.default.yml

@@ -298,6 +298,8 @@ content:
       start_minimized: true
       select_parents: true
       cascading_selection: 0
+      track_list: true
+      track_list_order: true
       max_depth: 0
       leaves_only: false
     third_party_settings: {  }