Expose props to Section collection item (#3634)

Co-authored-by: Reid Barber <[email protected]>

Author: luisadame

packages/@react-stately/collections/src/Section.ts

@@ -22,6 +22,7 @@ Section.getCollectionNode = function* getCollectionNode<T>(props: SectionProps<T
   let {children, title, items} = props;
   yield {
     type: 'section',
+    props: props,
     hasChildNodes: true,
     rendered: title,
     'aria-label': props['aria-label'],