[58467] Changed add hierarchical item behavior

When adding a new item in the hierarchy the item form will stay open for
the next entry.

app/controllers/admin/custom_fields/hierarchy/items_controller.rb

@@ -62,6 +62,9 @@ def create
               ->(validation_result) { add_errors_to_form(validation_result) }
             )
 
+          update_via_turbo_stream(component: ItemsComponent.new(custom_field: @custom_field,
+                                                                new_item_form_data: { show: true }))
+
           respond_with_turbo_streams
         end