corrects WKID to 4326 (#389)

* corrects WKID to 4326

* use SpatialReferences.getWgs84

Author: Rachael-E

src/main/java/com/esri/samples/geometry/project/ProjectSample.java

@@ -89,7 +89,7 @@ public void start(Stage stage) {
           Point originalPoint = mapView.screenToLocation(point2D);
           inputPointGraphic.setGeometry(originalPoint);
           // project the web mercator point to WGS84 (WKID 4326)
-          Point projectedPoint = (Point) GeometryEngine.project(originalPoint, SpatialReference.create(4236));
+          Point projectedPoint = (Point) GeometryEngine.project(originalPoint, SpatialReferences.getWgs84());
           // show the original and projected point coordinates in a callout from the graphic
           Callout callout = mapView.getCallout();
           callout.setTitle("Coordinates");