Rename first batch for '.ts' files to '.tsx' in doctor, static and test-utils

Summary: Rename first batch for '.ts' files to '.tsx'

Reviewed By: nikoant

Differential Revision: D33843051

fbshipit-source-id: 68dd2dc6538afce2daaf24c6412dc5db8b38acbc

desktop/scripts/build-utils.ts

@@ -327,7 +327,7 @@ export async function compileMain() {
     });
     await Metro.runBuild(config, {
       platform: 'web',
-      entry: path.join(staticDir, 'main.ts'),
+      entry: path.join(staticDir, 'main.tsx'),
       out,
       dev,
       minify: !dev,