Change map button styling

projects/common-map3d/src/fm-map3d/components/olcs/switch2d3d/switch2d3d.component.ts

@@ -15,6 +15,7 @@ export class Switch2D3DComponent {
   public label: string = "3D";
   private ol3d: OLCesium;
   private synchronizers:any[];
+  public loading:boolean = true;
 
 
   constructor(private map: MapComponent) {
@@ -28,6 +29,7 @@ export class Switch2D3DComponent {
             new olcs.RasterSynchronizer(map,scene),
             new olcs.VectorSynchronizer(map,scene)
         ];
+        this.loading=false;
         return this.synchronizers;
     }, stopOpenLayersEventsPropagation:true}); 
   }