### 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
} break;
			case Animation::TYPE_BLEND_SHAPE: {
				TrackCacheBlendShape *t = static_cast<TrackCacheBlendShape *>(track);
				t->value = t->init_value;
			} break;
			case Animation::TYPE_VALUE: {
				TrackCacheValue *t = static_cast<TrackCacheValue *>(track);
				t->value = Animation::cast_to_blendwise(t->init_value);
				t->element_size = t->init_value.is_string() ? (real_t)(t->init_value.operator String()).length() : 0;
			} break;
			case Animation::TYPE_BEZIER: {
				TrackCacheBezier *t = static_cast<TrackCacheBezier *>(track);
				t->value = t->init_value;
			} break;
			case Animation::TYPE_AUDIO: {
				TrackCacheAudio *t = static_cast<TrackCacheAudio *>(track);
				for (KeyValue<ObjectID, PlayingAudioTrackInfo> &L : t->playing_streams) {
					PlayingAudioTrackInfo &track_info = L.value;
					track_info.volume = 0.0;
				}
			} break;
			default: {
			} break;
		}
	}
}
bool AnimationMixer::_blend_pre_process(double p_delta, int p_track_count, const HashMap<NodePath, int> &p_track_map) {
	return true;
}
void AnimationMixer::_blend_post_process() {