ANActivityIndicatorPresenter.hide() + 215

Application crash on this function.

```swift
private func hide() {
        guard let keyWindow = UIApplication.shared.keyWindow else { return }
        
        for item in keyWindow.subviews
            where item.restorationIdentifier == restorationIdentifier {
                item.removeFromSuperview()
        }
        showTimer?.invalidate()
        showTimer = nil
    }
```


