### 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
orphan_node_count++;
}
Node::~Node() {
	data.grouped.clear();
	data.owned.clear();
	data.children.clear();
	data.children_cache.clear();
	ERR_FAIL_COND(data.parent);
	ERR_FAIL_COND(data.children_cache.size());
	orphan_node_count--;
}
////////////////////////////////
// Multithreaded locked version of Object functions.
#ifdef DEBUG_ENABLED
void Node::set_script(const Variant &p_script) {
	ERR_THREAD_GUARD;
	Object::set_script(p_script);
}
Variant Node::get_script() const {
	ERR_THREAD_GUARD_V(Variant());
	return Object::get_script();
}
bool Node::has_meta(const StringName &p_name) const {
	ERR_THREAD_GUARD_V(false);
	return Object::has_meta(p_name);
}
void Node::set_meta(const StringName &p_name, const Variant &p_value) {