batch for more efficient message processing

Summary: `unstablebatched_updates` should be used whenever a non-react originating event might affect multiple components, to make sure that React batches them optimally. Applied it to the most import events that handle incoming device events

Reviewed By: nikoant

Differential Revision: D25052937

fbshipit-source-id: b2c783fb9c43be371553db39969280f9d7c3e260

desktop/flipper-plugin/src/index.ts

@@ -30,6 +30,7 @@ export {
   usePlugin,
 } from './plugin/PluginContext';
 export {createState, useValue, Atom} from './state/atom';
+export {batch} from './state/batch';
 export {FlipperLib} from './plugin/FlipperLib';
 export {
   MenuEntry,