feat(dashboard, js-sdk): customer page transfer order + cancel request in timeline (#10250)

**What**
- request order transfer from admin customers details page
- cancel transfer request from order timeline

---

CLOSES CMRC-730

packages/core/js-sdk/src/admin/order.ts

@@ -211,6 +211,31 @@ export class Order {
     )
   }
 
+  /**
+   * This method cancels an order transfer request. It sends a request to the
+   * [Cancel Order Transfer Request](https://docs.medusajs.com/api/admin#orders_postordersidcanceltransferrequest)
+   * API route.
+   *
+   * @param id - The order's ID.
+   * @param headers - Headers to pass in the request.
+   * @returns The order's details.
+   *
+   * @example
+   * sdk.admin.order.cancelTransfer("order_123")
+   * .then(({ order }) => {
+   *   console.log(order)
+   * })
+   */
+  async cancelTransfer(id: string, headers?: ClientHeaders) {
+    return await this.client.fetch<HttpTypes.AdminOrderResponse>(
+      `/admin/orders/${id}/transfer/cancel`,
+      {
+        method: "POST",
+        headers,
+      }
+    )
+  }
+
   /**
    * This method creates a fulfillment for an order. It sends a request to the
    * [Create Fulfillment](https://docs.medusajs.com/api/admin#orders_postordersidfulfillments)