### 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 (data.tree) {
		return data.tree->get_process_time();
	} else {
		return 0;
	}
}
void Node::set_process(bool p_process) {
	ERR_THREAD_GUARD
	if (data.process == p_process) {
		return;
	}
	if (!is_inside_tree()) {
		data.process = p_process;
		return;
	}
	if (_is_any_processing()) {
		_remove_from_process_thread_group();
	}
	data.process = p_process;
	if (_is_any_processing()) {
		_add_to_process_thread_group();
	}
}
bool Node::is_processing() const {