### 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 EDITOR_PROPERTIES_H
#define EDITOR_PROPERTIES_H
#include "editor/editor_inspector.h"
class CheckBox;
class ColorPickerButton;
class CreateDialog;
class EditorFileDialog;
class EditorLocaleDialog;
class EditorResourcePicker;