### 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
int clip_left = timeline->get_name_limit();
	int clip_right = get_size().width - timeline->get_buttons_width();
	if (p_rect.position.x > clip_right) {
		return;
	}
	if (p_rect.position.x + p_rect.size.x < clip_left) {
		return;
	}
	Rect2 clip = Rect2(clip_left, 0, clip_right - clip_left, get_size().height);
	draw_rect(clip.intersection(p_rect), p_color, p_filled);
}
void AnimationTrackEdit::draw_bg(int p_clip_left, int p_clip_right) {
}
void AnimationTrackEdit::draw_fg(int p_clip_left, int p_clip_right) {