Prevent linting errors and keep existing module signature

Author: sgoll

src/index.js

@@ -1,5 +1,6 @@
-import SortableTree from './react-sortable-tree';
+import SortableTree, { UnwrappedSortableTree } from './react-sortable-tree';
 
 export * from './utils/default-handlers';
 export * from './utils/tree-data-utils';
+export { UnwrappedSortableTree };
 export default SortableTree;

src/react-sortable-tree.js

@@ -545,4 +545,6 @@ ReactSortableTree.defaultProps = {
     isVirtualized: true,
 };
 
-export default ReactSortableTree;
+export { ReactSortableTree as UnwrappedSortableTree };
+
+export default dndWrapRoot(ReactSortableTree);