### 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
if (is_read_only()) {
		return;
	}
	if (reorder_from_index != reorder_to_index) {
		
		Variant array = object->get_array().duplicate();
		Variant value_to_move = array.get(reorder_from_index);
		array.call("remove_at", reorder_from_index);
		array.call("insert", reorder_to_index, value_to_move);
		emit_changed(get_edited_property(), array, "", false);
		update_property();
	}
	reorder_from_index = -1;
	reorder_to_index = -1;
	reorder_mouse_y_delta = 0.0f;
	Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_VISIBLE);
	ERR_FAIL_NULL(reorder_selected_button);
	reorder_selected_button->warp_mouse(reorder_selected_button->get_size() / 2.0f);
	reorder_selected_element_hbox = nullptr;
	reorder_selected_button = nullptr;
}
void EditorPropertyArray::_bind_methods() {