### 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
}
}
void EditorPropertyResource::update_property() {
	Ref<Resource> res = get_edited_property_value();
	if (use_sub_inspector) {
		if (res.is_valid() != resource_picker->is_toggle_mode()) {
			resource_picker->set_toggle_mode(res.is_valid());
		}
		if (res.is_valid() && get_edited_object()->editor_is_section_unfolded(get_edited_property())) {
			if (!sub_inspector) {
				sub_inspector = memnew(EditorInspector);
				sub_inspector->set_vertical_scroll_mode(ScrollContainer::SCROLL_MODE_DISABLED);
				sub_inspector->set_use_doc_hints(true);
				sub_inspector->set_sub_inspector(true);
				sub_inspector->set_property_name_style(InspectorDock::get_singleton()->get_property_name_style());
				sub_inspector->connect("property_keyed", callable_mp(this, &EditorPropertyResource::_sub_inspector_property_keyed));
				sub_inspector->connect("resource_selected", callable_mp(this, &EditorPropertyResource::_sub_inspector_resource_selected));
				sub_inspector->connect("object_id_selected", callable_mp(this, &EditorPropertyResource::_sub_inspector_object_id_selected));
				sub_inspector->set_keying(is_keying());
				sub_inspector->set_read_only(is_read_only());
				sub_inspector->set_use_folding(is_using_folding());
				sub_inspector_vbox = memnew(VBoxContainer);
				add_child(sub_inspector_vbox);
				set_bottom_editor(sub_inspector_vbox);
				sub_inspector_vbox->add_child(sub_inspector);
				resource_picker->set_toggle_pressed(true);
				Array editor_list;
				for (int i = 0; i < EditorNode::get_editor_data().get_editor_plugin_count(); i++) {
					EditorPlugin *ep = EditorNode::get_editor_data().get_editor_plugin(i);
					if (ep->handles(res.ptr())) {