### 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
} break;
			}
		}
	}
	return false;
}
void AnimationMultiTrackKeyEdit::_get_property_list(List<PropertyInfo> *p_list) const {
	if (animation.is_null()) {
		return;
	}
	int first_track = -1;
	float first_key = -1.0;
	bool same_track_type = true;
	bool same_key_type = true;
	for (const KeyValue<int, List<float>> &E : key_ofs_map) {
		int track = E.key;
		ERR_FAIL_INDEX(track, animation->get_track_count());
		if (first_track < 0) {
			first_track = track;
		}
		if (same_track_type) {
			if (animation->track_get_type(first_track) != animation->track_get_type(track)) {
				same_track_type = false;
				same_key_type = false;
			}
			for (const float &F : E.value) {
				int key = animation->track_find_key(track, F, Animation::FIND_MODE_APPROX);
				ERR_FAIL_COND(key == -1);
				if (first_key < 0) {
					first_key = key;