### 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
#include "editor_properties.h"
#include "core/config/project_settings.h"
#include "core/core_string_names.h"
#include "editor/create_dialog.h"
#include "editor/editor_node.h"
#include "editor/editor_properties_array_dict.h"
#include "editor/editor_properties_vector.h"
#include "editor/editor_resource_picker.h"
#include "editor/editor_scale.h"
#include "editor/editor_settings.h"
#include "editor/gui/editor_file_dialog.h"
#include "editor/gui/editor_spin_slider.h"
#include "editor/gui/scene_tree_editor.h"
#include "editor/inspector_dock.h"
#include "editor/plugins/script_editor_plugin.h"
#include "editor/project_settings_editor.h"
#include "editor/property_selector.h"
#include "scene/2d/gpu_particles_2d.h"
#include "scene/3d/fog_volume.h"
#include "scene/3d/gpu_particles_3d.h"
#include "scene/gui/color_picker.h"
#include "scene/main/window.h"
#include "scene/resources/font.h"
#include "scene/resources/mesh.h"
#include "scene/resources/packed_scene.h"
void EditorPropertyNil::update_property() {