### Godot version

4.0.rc

### System information

Any

### Issue description

If the RESET animation is generated at the same time as the Bezier track is generated, the bezier edit button will not be active.

![image](https://user-images.githubusercontent.com/61938263/218256176-88b1b196-7b6b-4404-84ad-e8694f23bb1b.png)

Also, if you delete a track in the Bezier Editor, or in undo redo, it will not update correctly.

### Steps to reproduce

![image](https://user-images.githubusercontent.com/61938263/218256230-4b0219d5-87e4-453a-8294-59f8feb0cfd5.png)


### Minimal reproduction project

N/A
if (!p_item) {
		return;
	}
	NodePath np = p_item->get_metadata(0);
	Node *node = get_node(np);
	if (!p_filter.is_empty() && ((String)node->get_name()).findn(p_filter) != -1) {
		p_select_candidates.push_back(node);
	}
	TreeItem *c = p_item->get_first_child();
	while (c) {
		_pick_track_select_recursive(c, p_filter, p_select_candidates);
		c = c->get_next();
	}
}
void AnimationTrackEditor::_pick_track_filter_input(const Ref<InputEvent> &p_ie) {