### 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
GDCLASS(EditorPropertyAABB, EditorProperty);
	EditorSpinSlider *spin[6];
	bool setting = false;
	void _value_changed(double p_val, const String &p_name);
protected:
	virtual void _set_read_only(bool p_read_only) override;
	void _notification(int p_what);
	static void _bind_methods();
public:
	virtual void update_property() override;
	void setup(double p_min, double p_max, double p_step, bool p_hide_slider, const String &p_suffix = String());
	EditorPropertyAABB();
};
class EditorPropertyTransform2D : public EditorProperty {