Use browser default time and number formatting with polyfills if needed (#9481)

Co-authored-by: Paulus Schoutsen <balloob@gmail.com>

test/webpack.config.js

@@ -0,0 +1,7 @@
+const { createAppConfig } = require("../build-scripts/webpack.js");
+
+module.exports = createAppConfig({
+  isProdBuild: false,
+  latestBuild: true,
+  isStatsBuild: false,
+});