### 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 (updating) {
		return;
	}
	page_index = p_page;
	update_property();
}
void EditorPropertyLocalizableString::_bind_methods() {
}
EditorPropertyLocalizableString::EditorPropertyLocalizableString() {
	object.instantiate();
	page_length = int(EDITOR_GET("interface/inspector/max_array_dictionary_items_per_page"));
	edit = memnew(Button);
	edit->set_h_size_flags(SIZE_EXPAND_FILL);
	edit->set_clip_text(true);
	edit->connect("pressed", callable_mp(this, &EditorPropertyLocalizableString::_edit_pressed));
	edit->set_toggle_mode(true);
	add_child(edit);
	add_focusable(edit);
	container = nullptr;
	button_add_item = nullptr;
	paginator = nullptr;
	updating = false;
	locale_select = memnew(EditorLocaleDialog);
	locale_select->connect("locale_selected", callable_mp(this, &EditorPropertyLocalizableString::_add_locale));
	add_child(locale_select);
}