[mapbox-gl] Add antialias property to MapboxOptions (take 2) (#37878)

* Add `antialias` property to MapboxOptions

* add a test

types/mapbox-gl/index.d.ts

@@ -250,6 +250,12 @@ declare namespace mapboxgl {
     }
 
     export interface MapboxOptions {
+        /**
+         * If  true, the gl context will be created with MSA antialiasing, which can be useful for antialiasing custom layers. 
+         * This is false by default as a performance optimization.
+         */
+        antialias?: boolean;
+        
         /** If true, an attribution control will be added to the map. */
         attributionControl?: boolean;
 

types/mapbox-gl/mapbox-gl-tests.ts

@@ -31,6 +31,7 @@ let map = new mapboxgl.Map({
 	boxZoom: true,
 	dragRotate: false,
 	dragPan: true,
+	antialias: true,
 });
 
 /**