### 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
return state->get_bundled_scene();
}
Error PackedScene::pack(Node *p_scene) {
	return state->pack(p_scene);
}
void PackedScene::clear() {
	state->clear();
}
void PackedScene::reload_from_file() {
	String path = get_path();
	if (!path.is_resource_file()) {
		return;
	}
	Ref<PackedScene> s = ResourceLoader::load(ResourceLoader::path_remap(path), get_class(), ResourceFormatLoader::CACHE_MODE_IGNORE);
	if (!s.is_valid()) {
		return;
	}
	
	Ref<SceneState> loaded_state = s->get_state();
	
	
	s->recreate_state();
	
	copy_from(s);
	
	state->copy_from(loaded_state);
}
bool PackedScene::can_instantiate() const {