### 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
callback_mode_method = p_mode;
#ifdef TOOLS_ENABLED
	emit_signal(SNAME("mixer_updated"));
#endif 
}
AnimationMixer::AnimationCallbackModeMethod AnimationMixer::get_callback_mode_method() const {
	return callback_mode_method;
}
void AnimationMixer::set_audio_max_polyphony(int p_audio_max_polyphony) {
	ERR_FAIL_COND(p_audio_max_polyphony < 0 || p_audio_max_polyphony > 128);
	audio_max_polyphony = p_audio_max_polyphony;
}
int AnimationMixer::get_audio_max_polyphony() const {
	return audio_max_polyphony;
}
#ifdef TOOLS_ENABLED
void AnimationMixer::set_editing(bool p_editing) {
	if (editing == p_editing) {
		return;
	}
	editing = p_editing;
	_set_process(processing, true);
	if (editing && is_inside_tree()) {
		_clear_caches();
	}
	notify_property_list_changed(); 
}
bool AnimationMixer::is_editing() const {