[Merge Account] Remove the initial route from state after successful merge

src/languages/en.ts

@@ -1429,7 +1429,7 @@ const translations = {
             lossOfUnsubmittedData: `Merging your accounts is irreversible and will result in the loss of any unsubmitted expenses for `,
             enterMagicCode: `To continue, please enter the magic code sent to `,
             errors: {
-                incorrect2fa: 'Incorrect two-factor authentication code. Please try again.',
+                incorrectMagicCode: 'Incorrect or invalid magic code. Please try again or request a new code.',
                 fallback: 'Something went wrong. Please try again later.',
             },
         },

src/languages/es.ts

@@ -1428,7 +1428,7 @@ const translations = {
             lossOfUnsubmittedData: `Fusionar tus cuentas es irreversible y resultará en la pérdida de cualquier gasto no enviado de `,
             enterMagicCode: `Para continuar, por favor introduce el código mágico enviado a `,
             errors: {
-                incorrect2fa: 'Código de autenticación de dos factores incorrecto. Por favor, inténtalo de nuevo.',
+                incorrectMagicCode: 'Código mágico incorrecto o no válido. Inténtalo de nuevo o solicita otro código.',
                 fallback: 'Ha ocurrido un error. Por favor, inténtalo mas tarde.',
             },
         },

src/pages/settings/Security/MergeAccounts/AccountValidatePage.tsx

@@ -65,7 +65,7 @@ const getAuthenticationErrorKey = (err: string): TranslationPaths | null => {
     }
 
     if (err.includes('Invalid validateCode')) {
-        return 'mergeAccountsPage.accountValidate.errors.incorrect2fa';
+        return 'mergeAccountsPage.accountValidate.errors.incorrectMagicCode';
     }
 
     return 'mergeAccountsPage.accountValidate.errors.fallback';

src/pages/settings/Security/MergeAccounts/MergeResultPage.tsx

@@ -1,6 +1,6 @@
 import HybridAppModule from '@expensify/react-native-hybrid-app';
 import {useRoute} from '@react-navigation/native';
-import React, {useContext, useMemo} from 'react';
+import React, {useContext, useEffect, useMemo} from 'react';
 import {useOnyx} from 'react-native-onyx';
 import type {ValueOf} from 'type-fest';
 import ConfirmationPage from '@components/ConfirmationPage';
@@ -23,7 +23,7 @@ import CONFIG from '@src/CONFIG';
 import CONST from '@src/CONST';
 import ONYXKEYS from '@src/ONYXKEYS';
 import ROUTES from '@src/ROUTES';
-import type SCREENS from '@src/SCREENS';
+import SCREENS from '@src/SCREENS';
 
 function MergeResultPage() {
     const styles = useThemeStyles();
@@ -228,6 +228,14 @@ function MergeResultPage() {
         };
     }, [setRootStatusBarEnabled, login, translate, userEmailOrPhone, styles]);
 
+    useEffect(() => {
+        if (result !== CONST.MERGE_ACCOUNT_RESULTS.SUCCESS) {
+            return;
+        }
+
+        Navigation.removeScreenFromNavigationState(SCREENS.SETTINGS.MERGE_ACCOUNTS.ACCOUNT_DETAILS);
+    }, [result]);
+
     const {
         heading,
         headingStyle,