### 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(EditorPropertySignal, EditorProperty);
	Button *edit = nullptr;
	String base_type;
	void _edit_pressed();
protected:
	static void _bind_methods();
public:
	virtual void update_property() override;
	EditorPropertySignal();
};
class EditorPropertyCallable : public EditorProperty {
	GDCLASS(EditorPropertyCallable, EditorProperty);
	Button *edit = nullptr;
	String base_type;
protected:
	static void _bind_methods();
public:
	virtual void update_property() override;
	EditorPropertyCallable();
};
class EditorPropertyFloat : public EditorProperty {