### 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
get_tree()->_add_process_group(this);
}
void Node::_remove_process_group() {
	get_tree()->_remove_process_group(this);
}
void Node::_remove_from_process_thread_group() {
	get_tree()->_remove_node_from_process_group(this, data.process_thread_group_owner);
}
void Node::_add_to_process_thread_group() {
	get_tree()->_add_node_to_process_group(this, data.process_thread_group_owner);
}
void Node::_remove_tree_from_process_thread_group() {
	if (!is_inside_tree()) {
		return; 
	}
	for (KeyValue<StringName, Node *> &K : data.children) {
		if (K.value->data.process_thread_group != PROCESS_THREAD_GROUP_INHERIT) {
			continue;
		}
		K.value->_remove_tree_from_process_thread_group();
	}
	if (_is_any_processing()) {
		_remove_from_process_thread_group();
	}
}
void Node::_add_tree_to_process_thread_group(Node *p_owner) {