docs: generate OAS manually for 2.7.0 (#12158)

* original changes

* changes

* fixes for delete operations

* generate oas

www/utils/generated/oas-output/schemas/AdminOrderPreview.ts

@@ -622,6 +622,13 @@
  *     type: string
  *     title: status
  *     description: The order's status.
+ *   region:
+ *     $ref: "#/components/schemas/AdminRegion"
+ *   credit_lines:
+ *     type: array
+ *     description: The order preview's credit lines.
+ *     items:
+ *       $ref: "#/components/schemas/OrderCreditLine"
  * 
 */