### Godot version

4.2 RC2

### System information

Any

### Issue description

https://github.com/godotengine/godot/assets/61938263/42ed582f-7b87-424c-8d19-ba0650ead5aa

It should not be reset by pausing.

### Steps to reproduce

Pause AnimationPlaybackTrack

### Minimal reproduction project

N/A
if (active == p_active) {
		return;
	}
	active = p_active;
	_set_active(active);
	_set_process(processing, true);
	if (!active && is_inside_tree()) {
		_clear_caches();
	}
}
bool AnimationMixer::is_active() const {
	return active;
}
void AnimationMixer::set_root_node(const NodePath &p_path) {
	root_node = p_path;
	_clear_caches();
}
NodePath AnimationMixer::get_root_node() const {