message: fix: fix story of Cesium3DTileset
diff: @@ -7,18 +7,33 @@ import Viewer from "../Viewer";
  import Cesium3DTileset from "../Cesium3DTileset";
  export default () => {
  - storiesOf("Cesium3DTileset", module).add("default", () => (
  - <Viewer full>
  + storiesOf("Cesium3DTileset", module).add("default", () => {
  + let viewer: Cesium.Viewer | undefined;
  + const onReady = (tileset: any) => {
  + if (viewer) {
  + viewer.zoomTo(tileset);
  + }
  + };
  + return (
  + <Viewer
  + full
  + ref={e => {
  + if (e !== null && e.cesiumElement) {
  + viewer = e.cesiumElement;
  + } else {
  + viewer = undefined;
  + }
  + }}>
  <Cesium3DTileset
  url={(Cesium as any).IonResource.fromAssetId(5714)}
  onAllTilesLoad={action("onAllTilesLoad")}
  onInitialTilesLoad={action("onInitialTilesLoad")}
  - onLoadProgress={action("onLoadProgress")}
  onTileFailed={action("onTileFailed")}
  onTileLoad={action("onTileLoad")}
  onTileUnload={action("onTileUnload")}
  - onTileVisible={action("onTileVisible")}
  + onReady={onReady}
  />
  </Viewer>
  - ));
  + );
  + });
  };
  