### 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 (selection.size() == 1) {
		bool is_external = (!selection[0]->get_scene_file_path().is_empty());
		if (is_external) {
			bool is_inherited = selection[0]->get_scene_inherited_state() != nullptr;
			bool is_top_level = selection[0]->get_owner() == nullptr;
			if (is_inherited && is_top_level) {
				menu->add_separator();
				if (profile_allow_editing) {
					menu->add_item(TTR("Clear Inheritance"), TOOL_SCENE_CLEAR_INHERITANCE);
				}
				menu->add_icon_item(get_theme_icon(SNAME("Load"), SNAME("EditorIcons")), TTR("Open in Editor"), TOOL_SCENE_OPEN_INHERITED);
			} else if (!is_top_level) {
				menu->add_separator();
				bool editable = EditorNode::get_singleton()->get_edited_scene()->is_editable_instance(selection[0]);
				bool placeholder = selection[0]->get_scene_instance_load_placeholder();
				if (profile_allow_editing) {
					menu->add_check_item(TTR("Editable Children"), TOOL_SCENE_EDITABLE_CHILDREN);
					menu->add_check_item(TTR("Load As Placeholder"), TOOL_SCENE_USE_PLACEHOLDER);
					menu->add_item(TTR("Make Local"), TOOL_SCENE_MAKE_LOCAL);
				}
				menu->add_icon_item(get_theme_icon(SNAME("Load"), SNAME("EditorIcons")), TTR("Open in Editor"), TOOL_SCENE_OPEN);
				if (profile_allow_editing) {
					menu->set_item_checked(menu->get_item_idx_from_text(TTR("Editable Children")), editable);
					menu->set_item_checked(menu->get_item_idx_from_text(TTR("Load As Placeholder")), placeholder);
				}
			}
		}
	}
#ifdef MODULE_REGEX_ENABLED
	if (profile_allow_editing && selection.size() > 1) {