### 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
for (const AnimationLibraryData &lib : animation_libraries) {
		p_libraries->push_back(lib.name);
	}
}
Ref<AnimationLibrary> AnimationMixer::get_animation_library(const StringName &p_name) const {
	for (const AnimationLibraryData &lib : animation_libraries) {
		if (lib.name == p_name) {
			return lib.library;
		}
	}
	ERR_FAIL_V(Ref<AnimationLibrary>());
}
bool AnimationMixer::has_animation_library(const StringName &p_name) const {
	for (const AnimationLibraryData &lib : animation_libraries) {
		if (lib.name == p_name) {
			return true;
		}
	}
	return false;
}
StringName AnimationMixer::find_animation_library(const Ref<Animation> &p_animation) const {
	for (const KeyValue<StringName, AnimationData> &E : animation_set) {
		if (E.value.animation == p_animation) {
			return E.value.animation_library;
		}
	}
	return StringName();
}
Error AnimationMixer::add_animation_library(const StringName &p_name, const Ref<AnimationLibrary> &p_animation_library) {