Black screen when unlock by notification

Before openning an issue
1. Reproduce it with the example project in this repo.
Check
2. If you can't receive iOS notification, make sure you can receive notification using quickstart-ios project provided by Firebase team

When openning an issue, please include following information for better support

1. What version of RN and react-native-fcm are you running?
RN: 48.4 FCM: 9.7.2 to 10.0.3
2. What device are you using? (e.g iOS9 emulator, Android 6 device)?
iPhone 5s 10.3
iPhone 5s 11+
iPhone 6s 11+
3. Is your app running in foreground, background or not running?
background

When receive a notification, and the screen is locked.
When you slide the notification and you unlock, we've got a black screen.

I dont' know why, but we found a temporary solution like that:

ios/RNFIRMessaging.m (Remove this param)
```
, @"completionHandler": completionHandler
```
(link to commit: https://github.com/eiosca/react-native-fcm/commit/aca3123f216bedac62507039ce7ea7b7284e3c1f)

Thk's