feat: export List focusItemAtIndex

This allows programmatically focussing an item, as asked in #363

Author: usedbytes

packages/list/src/List.svelte

@@ -286,13 +286,6 @@
       ) as SMUIListItemAccessor[];
   }
 
-  function focusItemAtIndex(index: number) {
-    const accessor = getOrderedList()[index];
-    accessor &&
-      'focus' in accessor.element &&
-      (accessor.element as HTMLInputElement).focus();
-  }
-
   function listItemAtIndexHasClass(index: number, className: string) {
     const accessor = getOrderedList()[index];
     return (accessor && accessor.hasClass(className)) ?? false;
@@ -371,6 +364,13 @@
     return instance.getFocusedItemIndex();
   }
 
+  export function focusItemAtIndex(index: number) {
+    const accessor = getOrderedList()[index];
+    accessor &&
+      'focus' in accessor.element &&
+      (accessor.element as HTMLInputElement).focus();
+  }
+
   export function getElement(): Element {
     return element.getElement();
   }