goToPointThenZoom method
Move camera to point and zoom (like flyTo in leaflet)
Implementation
@override
goToPointThenZoom(LatLng point, double zoom) {
NtkMapViewState.controller.runJavaScript(
"map.flyTo(L.latLng(${point.latitude}, ${point.longitude}), $zoom, { animate: true, duration: 1 });");
}