### 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;
}
void Node::set_process_internal(bool p_process_internal) {
	ERR_THREAD_GUARD
	if (data.process_internal == p_process_internal) {
		return;
	}
	if (!is_inside_tree()) {
		data.process_internal = p_process_internal;
		return;
	}
	if (_is_any_processing()) {
		_remove_from_process_thread_group();
	}
	data.process_internal = p_process_internal;
	if (_is_any_processing()) {
		_add_to_process_thread_group();
	}
}
void Node::_add_process_group() {