message: Properly delete node16 children was lost on pr refactor
diff: @@ -161,7 +161,7 @@ Node16 *Node16::Deserialize(duckdb::MetaBlockReader &reader) {
  void Node16::Erase(Node *&node, int pos, ART &art) {
  auto n = (Node16 *)node;
  // erase the child and decrease the count
  - if (!n->children[pos].pointer) {
  + if (!n->children[pos].IsSwizzled()) {
  delete (Node *)n->children[pos].pointer;
  }
  n->children[pos] = 0;
  