### 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 (ScriptServer::get_language_count() == 0) {
		EditorNode::get_singleton()->show_warning(TTR("Cannot attach a script: there are no languages registered.\nThis is probably because this editor was built with all language modules disabled."));
		return;
	}
	if (!profile_allow_script_editing) {
		return;
	}
	List<Node *> selection = editor_selection->get_selected_node_list();
	if (selection.is_empty()) {
		return;
	}
	Node *selected = scene_tree->get_selected();
	if (!selected) {
		selected = selection.front()->get();
	}
	Ref<Script> existing = selected->get_script();
	String path = selected->get_scene_file_path();
	if (path.is_empty()) {
		String root_path = editor_data->get_edited_scene_root()->get_scene_file_path();
		if (root_path.is_empty()) {
			path = String("res://").path_join(selected->get_name());
		} else {
			path = root_path.get_base_dir().path_join(selected->get_name());
		}
	}
	String inherits = selected->get_class();