### Godot version

v4.1.rc1.official [1f9e540f1]

### System information

Windows 10

### Issue description

Attempting to reorder the children of a TabContainer results in an unintended ordering and incorrect undo states.

Also happens in v4.0.3.stable.official [5222a99f5].

https://github.com/godotengine/godot/assets/3820082/2c2458e3-88ad-46d9-8a04-f289a049984a



### Steps to reproduce

1. Add a new TabContainer
2. Add a few children to it
3. Drag and drop to erroneously reorder them
4. Attempt to undo the change

### Minimal reproduction project

N/A
}
		}
	}
	if (get_name() != String()) {
		node->set_name(get_name());
	}
#ifdef TOOLS_ENABLED
	if ((p_flags & DUPLICATE_FROM_EDITOR) && r_duplimap) {
		r_duplimap->insert(this, node);
	}
#endif
	if (p_flags & DUPLICATE_GROUPS) {
		List<GroupInfo> gi;
		get_groups(&gi);
		for (const GroupInfo &E : gi) {
#ifdef TOOLS_ENABLED
			if ((p_flags & DUPLICATE_FROM_EDITOR) && !E.persistent) {
				continue;
			}
#endif
			node->add_to_group(E.name, E.persistent);
		}
	}
	for (int i = 0; i < get_child_count(); i++) {
		if (get_child(i)->data.parent_owned) {
			continue;
		}
		if (instantiated && get_child(i)->data.owner == this) {
			continue; //part of instance
		}