fix(js): setPage call to long (#412)

* fix setPage call to long

It's too long when call setPage method if is running another animations.

* fix: change `setTimeout` to `setImmediate`

fix: change `setTimeout` to `setImmediate`

Author: NiuGuohui

src/LazyPagerView.tsx

@@ -154,7 +154,7 @@ class LazyPagerViewImpl<ItemT> extends React.Component<
       })
     );
     // Send paging command.
-    requestAnimationFrame(() => {
+    setImmediate(() => {
       UIManager.dispatchViewManagerCommand(
         findNodeHandle(this),
         animated