### 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
result = true;
			break;
		}
		Ref<SceneState> ss = p->get_scene_inherited_state();
		if (ss.is_valid()) {
			String path = ss->get_path();
			Ref<PackedScene> pack_data = ResourceLoader::load(path);
			if (pack_data.is_valid()) {
				p = pack_data->instantiate(PackedScene::GEN_EDIT_STATE_INSTANCE);
				if (!p) {
					continue;
				}
				instances.push_back(p);
			} else {
				break;
			}
		} else {
			break;
		}
	}
	for (int i = 0; i < instances.size(); i++) {
		memdelete(instances[i]);
	}
	return result;
}
void SceneTreeDock::_tool_selected(int p_tool, bool p_confirm_override) {
	current_option = p_tool;
	switch (p_tool) {
#ifdef MODULE_REGEX_ENABLED
		case TOOL_BATCH_RENAME: {