### 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 true;
			}
		} break;
		case Variant::ARRAY: {
			Array a = r_variant;
			bool updated = false;
			for (int i = 0; i < a.size(); i++) {
				Variant value = a[i];
				if (_check_node_recursive(value, p_node, p_by_node, type_hint.get_slice(":", 1), r_warn_message)) {
					if (!updated) {
						a = a.duplicate(); 
						updated = true;
					}
					a[i] = value;
				}
			}
			if (updated) {
				r_variant = a;
				return true;
			}
		} break;
		default: {
		}
	}
	return false;
}
void SceneTreeDock::set_edited_scene(Node *p_scene) {
	edited_scene = p_scene;
}
void SceneTreeDock::set_selected(Node *p_node, bool p_emit_selected) {