### 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
return data.process_internal;
}
void Node::set_process_thread_group_order(int p_order) {
	ERR_THREAD_GUARD
	if (data.process_thread_group_order == p_order) {
		return;
	}
	data.process_thread_group_order = p_order;
	
	if (!is_inside_tree() || data.process_thread_group_owner != this) {
		return;
	}
	get_tree()->process_groups_dirty = true;
}
int Node::get_process_thread_group_order() const {