Should `MarkerViewManager` implement a more 'reactive' camera listener ?

Nadie ha tomado este issue todavía.

Hello,
The `MarkerViewManager` implements the `MapView.OnCameraDidChangeListener` so updating a `MarkerView` is only updated after the camera did change, and not while the camera is changing.

The consequence of that is some sluggish `MarkerView` re-positioning after a camera move, as shown here:

I tried replacing `MapView.OnCameraDidChangeListener` by `MapView.OnCameraIsChangeingListener` and had no more updates ?!

I then tried using `MapboxMap.OnCameraMoveListener` with better results:
https://imgur.com/ZNweZfQ

GPU usage is a tad high, that's why I'm not sending a PR.

Should `MarkerViewManager` implements a more 'reactive' camera listener ?

PS: on the above gifs, I'm using react-native with:
- https://github.com/react-native-mapbox-gl/maps
- and https://github.com/react-native-community/lottie-react-native for the animated orange markers

Empieza localizando MarkerViewManager y su implementación de MapView.OnCameraDidChangeListener; después, compara su comportamiento con el de los listeners de cámara mencionados en el informe. Reproduce el reposicionamiento lento de los marcadores con la configuración enlazada de React Native y Lottie; se considerará terminado cuando las actualizaciones sean más fluidas sin un coste inaceptable para la GPU.

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