### 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(EditorPropertyClassName, EditorProperty);
private:
	CreateDialog *dialog = nullptr;
	Button *property = nullptr;
	String selected_type;
	String base_type;
	void _property_selected();
	void _dialog_created();
protected:
	virtual void _set_read_only(bool p_read_only) override;
	static void _bind_methods();
public:
	void setup(const String &p_base_type, const String &p_selected_type);
	virtual void update_property() override;
	EditorPropertyClassName();
};
class EditorPropertyCheck : public EditorProperty {