Migrate application from js to tsx

Summary: As per the title

Reviewed By: jknoxville

Differential Revision: D16690005

fbshipit-source-id: 8975da8aa7221b731358eacb4040f48198bf073b

src/dispatcher/__tests__/deeplinkURLParsing.node.js

@@ -5,7 +5,7 @@
  * @format
  */
 
-import {uriComponents} from '../application.js';
+import {uriComponents} from '../application.tsx';
 
 test('test parsing of deeplink URL', () => {
   const url = 'flipper://app/plugin/meta/data';