### 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
picker->set_edit_alpha(p_show_alpha);
}
EditorPropertyColor::EditorPropertyColor() {
	picker = memnew(ColorPickerButton);
	add_child(picker);
	picker->set_flat(true);
	picker->connect("color_changed", callable_mp(this, &EditorPropertyColor::_color_changed));
	picker->connect("popup_closed", callable_mp(this, &EditorPropertyColor::_popup_closed));
	picker->get_popup()->connect("about_to_popup", callable_mp(EditorNode::get_singleton(), &EditorNode::setup_color_picker).bind(picker->get_picker()));
	picker->get_popup()->connect("about_to_popup", callable_mp(this, &EditorPropertyColor::_picker_opening));
}
void EditorPropertyNodePath::_set_read_only(bool p_read_only) {