Configure client-side hierarchical select on articles

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

@@ -26,6 +26,7 @@ dependencies:
     - node.type.article
   module:
     - comment
+    - cshs
     - datetime
     - file
     - focal_point
@@ -173,9 +174,12 @@ content:
     region: content
   field_topics:
     weight: 7
-    settings: {  }
+    settings:
+      force_deepest: '1'
+      parent: '0'
+      level_labels: ''
     third_party_settings: {  }
-    type: options_select
+    type: cshs
     region: content
   field_upload:
     weight: 18