### 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
ERR_FAIL_COND(!root);
	ERR_FAIL_COND_MSG(
			(p_type != Animation::TYPE_POSITION_3D && p_type != Animation::TYPE_ROTATION_3D && p_type != Animation::TYPE_SCALE_3D),
			"Track type must be Position/Rotation/Scale 3D.");
	if (!keying) {
		return;
	}
	if (!animation.is_valid()) {
		return;
	}
	
	String path = root->get_path_to(p_node, true);
	if (!p_sub.is_empty()) {
		path += ":" + p_sub;
	}
	NodePath np = path;
	int track_idx = -1;
	for (int i = 0; i < animation->get_track_count(); i++) {
		if (animation->track_get_path(i) != np) {
			continue;
		}
		if (animation->track_get_type(i) != p_type) {
			continue;
		}
		track_idx = i;
	}