docs: fix RSP ListBox Loading example (#6619)

yihuiliao · web-flow · commit f8d63a646427 · 2024-06-26T10:00:15.000-07:00
* docs: fix RSP ListBox Loading example

* revert size
diff --git a/packages/@react-spectrum/listbox/docs/ListBox.mdx b/packages/@react-spectrum/listbox/docs/ListBox.mdx
@@ -376,7 +376,7 @@ function AsyncLoadingExample() {
   aria-label="Choose frequency"
   selectionMode="single"
   width="size-1200">
-  <></>
+  {[]}
 </ListBox>
 ```
 
