### 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
text += TTR("Rotation:") + " " + String(t) + "\n";
				} break;
				case Animation::TYPE_SCALE_3D: {
					Vector3 t = animation->track_get_key_value(track, key_idx);
					text += TTR("Scale:") + " " + String(t) + "\n";
				} break;
				case Animation::TYPE_BLEND_SHAPE: {
					float t = animation->track_get_key_value(track, key_idx);
					text += TTR("Blend Shape:") + " " + itos(t) + "\n";
				} break;
				case Animation::TYPE_VALUE: {
					const Variant &v = animation->track_get_key_value(track, key_idx);
					text += TTR("Type:") + " " + Variant::get_type_name(v.get_type()) + "\n";
					Variant::Type valid_type = Variant::NIL;
					text += TTR("Value:") + " " + String(v);
					if (!_is_value_key_valid(v, valid_type)) {
						text += " " + vformat(TTR("(Invalid, expected type: %s)"), Variant::get_type_name(valid_type));
					}
					text += "\n" + TTR("Easing:") + " " + rtos(animation->track_get_key_transition(track, key_idx));
				} break;
				case Animation::TYPE_METHOD: {
					Dictionary d = animation->track_get_key_value(track, key_idx);
					if (d.has("method")) {
						text += String(d["method"]);
					}
					text += "(";
					Vector<Variant> args;
					if (d.has("args")) {
						args = d["args"];
					}