[Audit][Implementation] - Remove Intl Polyfills which are supported by Hermes by separating iOS and android implementation

src/CONST.ts

@@ -2922,7 +2922,7 @@ const CONST = {
         CURRENCY: 'XAF',
         FORMAT: 'symbol',
         SAMPLE_INPUT: '123456.789',
-        EXPECTED_OUTPUT: 'FCFA 123,457',
+        EXPECTED_OUTPUT: 'FCFA 123,457',
     },
 
     PATHS_TO_TREAT_AS_EXTERNAL: ['NewExpensify.dmg', 'docs/index.html'],

src/libs/IntlPolyfill/polyfillNumberFormat.ts

@@ -1,21 +1,30 @@
 import CONST from '@src/CONST';
 
+const numberFormat = new Intl.NumberFormat(CONST.LOCALES.DEFAULT, {
+    style: CONST.POLYFILL_TEST.STYLE,
+    currency: CONST.POLYFILL_TEST.CURRENCY,
+    currencyDisplay: CONST.POLYFILL_TEST.FORMAT,
+});
+
 /**
  * Check if the locale data is as expected on the device.
  * Ensures that the currency data is consistent across devices.
  */
 function hasOldCurrencyData(): boolean {
-    return (
-        new Intl.NumberFormat(CONST.LOCALES.DEFAULT, {
-            style: CONST.POLYFILL_TEST.STYLE,
-            currency: CONST.POLYFILL_TEST.CURRENCY,
-            currencyDisplay: CONST.POLYFILL_TEST.FORMAT,
-        }).format(Number(CONST.POLYFILL_TEST.SAMPLE_INPUT)) !== CONST.POLYFILL_TEST.EXPECTED_OUTPUT
-    );
+    return numberFormat.format(Number(CONST.POLYFILL_TEST.SAMPLE_INPUT)) !== CONST.POLYFILL_TEST.EXPECTED_OUTPUT;
+}
+
+/**
+ * Checks if the formatToParts function is available on the
+ * Intl.NumberFormat object.
+ * @returns boolean
+ */
+function hasFormatToParts(): boolean {
+    return typeof numberFormat.formatToParts === 'function';
 }
 
 export default function () {
-    if (Intl && 'NumberFormat' in Intl && !hasOldCurrencyData()) {
+    if (Intl && 'NumberFormat' in Intl && !hasOldCurrencyData() && hasFormatToParts()) {
         return;
     }