chore(internal): fix pagination internals not accepting option promises

Author: stainless-app[bot]

src/client.ts

@@ -616,17 +616,22 @@ export class Kernel {
   getAPIList<Item, PageClass extends Pagination.AbstractPage<Item> = Pagination.AbstractPage<Item>>(
     path: string,
     Page: new (...args: any[]) => PageClass,
-    opts?: RequestOptions,
+    opts?: PromiseOrValue<RequestOptions>,
   ): Pagination.PagePromise<PageClass, Item> {
-    return this.requestAPIList(Page, { method: 'get', path, ...opts });
+    return this.requestAPIList(
+      Page,
+      opts && 'then' in opts ?
+        opts.then((opts) => ({ method: 'get', path, ...opts }))
+      : { method: 'get', path, ...opts },
+    );
   }
 
   requestAPIList<
     Item = unknown,
     PageClass extends Pagination.AbstractPage<Item> = Pagination.AbstractPage<Item>,
   >(
     Page: new (...args: ConstructorParameters<typeof Pagination.AbstractPage>) => PageClass,
-    options: FinalRequestOptions,
+    options: PromiseOrValue<FinalRequestOptions>,
   ): Pagination.PagePromise<PageClass, Item> {
     const request = this.makeRequest(options, null, undefined);
     return new Pagination.PagePromise<PageClass, Item>(this as any as Kernel, request, Page);