### 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
{
				float time_min = 0;
				float time_max = animation->get_length();
				for (int i = 0; i < animation->get_track_count(); i++) {
					if (animation->track_get_key_count(i) > 0) {
						float beg = animation->track_get_key_time(i, 0);
						if (beg < time_min) {
							time_min = beg;
						}
						float end = animation->track_get_key_time(i, animation->track_get_key_count(i) - 1);
						if (end > time_max) {
							time_max = end;
						}
					}
				}
				float extra = (zoomw / scale) * 0.5;
				time_max += extra;
				set_min(time_min);
				set_max(time_max);
				if (zoomw / scale < (time_max - time_min)) {
					hscroll->show();
				} else {
					hscroll->hide();
				}
			}
			set_page(zoomw / scale);
			int end_px = (l - get_value()) * scale;
			int begin_px = -get_value() * scale;
			Color notimecol = get_theme_color(SNAME("dark_color_2"), SNAME("Editor"));
			Color timecolor = color;