### 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(EditorPropertyInteger, EditorProperty);
	EditorSpinSlider *spin = nullptr;
	bool setting = false;
	void _value_changed(int64_t p_val);
protected:
	virtual void _set_read_only(bool p_read_only) override;
	static void _bind_methods();
public:
	virtual void update_property() override;
	void setup(int64_t p_min, int64_t p_max, int64_t p_step, bool p_hide_slider, bool p_allow_greater, bool p_allow_lesser, const String &p_suffix = String());
	EditorPropertyInteger();
};
class EditorPropertyObjectID : public EditorProperty {
	GDCLASS(EditorPropertyObjectID, EditorProperty);
	Button *edit = nullptr;
	String base_type;
	void _edit_pressed();
protected:
	virtual void _set_read_only(bool p_read_only) override;
	static void _bind_methods();
public:
	virtual void update_property() override;
	void setup(const String &p_base_type);
	EditorPropertyObjectID();
};
class EditorPropertySignal : public EditorProperty {