### Godot version

9f12e7b52d944

### System information

arch linux

### Issue description

Attempting to edit from the editor a typed array exported from a tool script fails, any value is immediately reset, setters are never called.

### Steps to reproduce

Create a script such as follows and try to add and then change items of the array in the inspector.


```gdscript
@tool
extends Node

@export var x: Array[String]
```

### Minimal reproduction project

n/a
#ifndef PACKED_SCENE_H
#define PACKED_SCENE_H
#include "core/io/resource.h"
#include "scene/main/node.h"
class SceneState : public RefCounted {
	GDCLASS(SceneState, RefCounted);
	Vector<StringName> names;
	Vector<Variant> variants;
	Vector<NodePath> node_paths;
	Vector<NodePath> editable_instances;
	mutable HashMap<NodePath, int> node_path_cache;
	mutable HashMap<int, int> base_scene_node_remap;
	int base_scene_idx = -1;
	enum {
		NO_PARENT_SAVED = 0x7FFFFFFF,
		NAME_INDEX_BITS = 18,
		NAME_MASK = (1 << NAME_INDEX_BITS) - 1,
	};
	struct NodeData {
		int parent = 0;
		int owner = 0;
		int type = 0;
		int name = 0;
		int instance = 0;
		int index = 0;
		struct Property {
			int name = 0;
			int value = 0;
		};