feat(xugu): expose object type members in schema tree

crates/dbx-web/src/routes/schema.rs

@@ -255,6 +255,7 @@ pub async fn list_objects(
                 updated_at: None,
                 parent_schema: table.parent_schema,
                 parent_name: table.parent_name,
+                xugu_type_members_expandable: None,
             })
             .collect::<Vec<_>>()
     } else {