### 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
Ref<Font> font = get_theme_font(SNAME("font"), SNAME("Label"));
	int font_size = get_theme_font_size(SNAME("font_size"), SNAME("Label"));
	int separation = get_theme_constant(SNAME("v_separation"), SNAME("ItemList"));
	return Vector2(0, MAX(font->get_height(font_size), icon->get_height()) + separation);
}
void AnimationTrackEditGroup::set_timeline(AnimationTimelineEdit *p_timeline) {
	timeline = p_timeline;
	timeline->connect("zoom_changed", callable_mp(this, &AnimationTrackEditGroup::_zoom_changed));
	timeline->connect("name_limit_changed", callable_mp(this, &AnimationTrackEditGroup::_zoom_changed));
}
void AnimationTrackEditGroup::set_root(Node *p_root) {
	root = p_root;
	queue_redraw();
}
void AnimationTrackEditGroup::_zoom_changed() {
	queue_redraw();
}
AnimationTrackEditGroup::AnimationTrackEditGroup() {
	set_mouse_filter(MOUSE_FILTER_PASS);
}
void AnimationTrackEditor::add_track_edit_plugin(const Ref<AnimationTrackEditPlugin> &p_plugin) {
	if (track_edit_plugins.has(p_plugin)) {
		return;
	}
	track_edit_plugins.push_back(p_plugin);
}
void AnimationTrackEditor::remove_track_edit_plugin(const Ref<AnimationTrackEditPlugin> &p_plugin) {