Remove onSelectItem and space/enter handing from ListView (#30601)

* Remove onSelectItem and space/enter handing from ListView(And therefore memberlist).)

* remove unused imports

* fix unit test

src/components/utils/ListView.tsx

@@ -29,12 +29,6 @@ export interface IListViewProps<Item, Context>
      */
     items: Item[];
 
-    /**
-     * Callback function called when an item is selected (via Enter/Space key).
-     * @param item - The selected item from the items array
-     */
-    onSelectItem: (item: Item) => void;
-
     /**
      * Function that renders each list item as a JSX element.
      * @param index - The index of the item in the list
@@ -79,7 +73,7 @@ export interface IListViewProps<Item, Context>
  */
 export function ListView<Item, Context = any>(props: IListViewProps<Item, Context>): React.ReactElement {
     // Extract our custom props to avoid conflicts with Virtuoso props
-    const { items, onSelectItem, getItemComponent, isItemFocusable, getItemKey, context, ...virtuosoProps } = props;
+    const { items, getItemComponent, isItemFocusable, getItemKey, context, ...virtuosoProps } = props;
     /** Reference to the Virtuoso component for programmatic scrolling */
     const virtuosoHandleRef = useRef<VirtuosoHandle>(null);
     /** Reference to the DOM element containing the virtualized list */
@@ -186,10 +180,6 @@ export function ListView<Item, Context = any>(props: IListViewProps<Item, Contex
             } else if (e.code === "ArrowDown" && currentIndex !== undefined) {
                 scrollToItem(currentIndex + 1, true);
                 handled = true;
-            } else if ((e.code === "Enter" || e.code === "Space") && currentIndex !== undefined) {
-                const item = items[currentIndex];
-                onSelectItem(item);
-                handled = true;
             } else if (e.code === "Home") {
                 scrollToIndex(0);
                 handled = true;
@@ -211,7 +201,7 @@ export function ListView<Item, Context = any>(props: IListViewProps<Item, Contex
                 e.preventDefault();
             }
         },
-        [scrollToIndex, scrollToItem, tabIndexKey, keyToIndexMap, visibleRange, items, onSelectItem],
+        [scrollToIndex, scrollToItem, tabIndexKey, keyToIndexMap, visibleRange, items],
     );
 
     /**