### 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
} else if (animation->track_get_type(track) == Animation::TYPE_AUDIO) {
						text = TTR("Audio Clips:");
					} else if (animation->track_get_type(track) == Animation::TYPE_ANIMATION) {
						text = TTR("Animation Clips:");
					} else {
						text += anim_path.get_concatenated_subnames();
					}
					text_color.a *= 0.7;
				} else if (node) {
					Ref<Texture2D> icon = EditorNode::get_singleton()->get_object_icon(node, "Node");
					draw_texture(icon, Point2(ofs, int(get_size().height - icon->get_height()) / 2));
					icon_cache = icon;
					text = String() + node->get_name() + ":" + anim_path.get_concatenated_subnames();
					ofs += hsep;
					ofs += icon->get_width();
				} else {
					icon_cache = key_type_icon;
					text = anim_path;
				}
				path_cache = text;
				path_rect = Rect2(ofs, 0, limit - ofs - hsep, get_size().height);
				Vector2 string_pos = Point2(ofs, (get_size().height - font->get_height(font_size)) / 2 + font->get_ascent(font_size));
				string_pos = string_pos.floor();
				draw_string(font, string_pos, text, HORIZONTAL_ALIGNMENT_LEFT, limit - ofs - hsep, font_size, text_color);
				draw_line(Point2(limit, 0), Point2(limit, get_size().height), linecolor, Math::round(EDSCALE));
			}
			
			draw_bg(limit, get_size().width - timeline->get_buttons_width());
			{
				float scale = timeline->get_zoom_scale();