Update packages/x-tree-view/src/internals/plugins/useTreeViewKeyboard…

…Navigation/useTreeViewKeyboardNavigation.ts

Co-authored-by: Michel Engelen <32863416+michelengelen@users.noreply.github.com>
Signed-off-by: Flavien DELANGLE <flaviendelangle@gmail.com>

packages/x-tree-view/src/internals/plugins/useTreeViewKeyboardNavigation/useTreeViewKeyboardNavigation.ts

@@ -52,7 +52,7 @@ export const useTreeViewKeyboardNavigation: TreeViewPlugin<
     const getNextItem = (itemIdToCheck: string) => {
       const nextItemId = getNextNavigableItem(instance, itemIdToCheck);
       // We reached the end of the tree, check from the beginning
-      if (nextItemId == null) {
+      if (nextItemId === null) {
         return getFirstNavigableItem(instance);
       }