tenant: admin orders sort whitelist

backend/docs/swagger.yaml

@@ -1775,6 +1775,10 @@ paths:
         in: query
         name: amount_paid_min
         type: integer
+      - description: Asc specifies comma-separated field names to sort ascending by.
+        in: query
+        name: asc
+        type: string
       - description: ContentID 内容ID（可选）：通过 order_items 关联过滤。
         in: query
         name: content_id
@@ -1791,6 +1795,11 @@ paths:
         in: query
         name: created_at_to
         type: string
+      - description: Desc specifies comma-separated field names to sort descending
+          by.
+        in: query
+        name: desc
+        type: string
       - description: Limit is page size; only values in {10,20,50,100} are accepted
           (otherwise defaults to 10).
         in: query