Don't ask for biometric authentication again after updating

app/lib/modules/login/service/login_service.dart

@@ -15,11 +15,29 @@ final class LoginService {
 
   static const isDeviceSupportKey = 'is-device-support-key';
   static const biometricAuthStateKey = 'biometric-auth-state';
+  static const oldBiometricAuthStateKey = 'biometric-auth-enabled';
   static const pinStorageKey = 'pin-key';
 
   BiometricAuthState? get getBiometricAuthState {
     final biometricAuthState = preferences.getString(biometricAuthStateKey);
-    return biometricAuthState != null ? BiometricAuthState.fromString(biometricAuthState) : null;
+    if (biometricAuthState != null) return BiometricAuthState.fromString(biometricAuthState);
+
+    // See if we had set a state in earlier app versions
+    final biometricAuthenticationEnabledOld = preferences.getBool(oldBiometricAuthStateKey);
+    if (biometricAuthenticationEnabledOld == null) return null;
+
+    // migrate old storage to new one and return state
+    final biometricAuthStateOld = switch (biometricAuthenticationEnabledOld) {
+      true => BiometricAuthState.enabled,
+      false => BiometricAuthState.disabled,
+    };
+
+    // migrate the old storage to the new one
+    setBiometricAuthState(biometricAuthStateOld);
+    // clear the old storage
+    preferences.remove(oldBiometricAuthStateKey);
+
+    return biometricAuthStateOld;
   }
 
   Future<void> setBiometricAuthState(BiometricAuthState biometricAuthState) async {

app/lib/modules/settings/service/app_service.dart

@@ -9,7 +9,6 @@ class AppService {
   final SharedPreferences storage;
 
   static const localStorageLocaleKey = 'locale';
-  static const biometricAuthStateKey = 'biometric-auth-state';
 
   Locale get getLocale {
     final code = storage.getString(localStorageLocaleKey);
@@ -24,6 +23,4 @@ class AppService {
     await storage.setString(localStorageLocaleKey, languageCode);
     return Locale(languageCode);
   }
-
-  String? get getBiometricAuthState => storage.getString(biometricAuthStateKey);
 }

app/test_driver/helpers/command/app_functions.dart

@@ -13,5 +13,5 @@ String toggleDeveloperMode(AppSettings appSettings, bool devMode) {
 }
 
 String getBiometricAuthState(AppService appService) {
-  return appService.getBiometricAuthState ?? '';
+  return Platform.isAndroid ? 'Device not supported' : '';
 }