Qr code passphrase restoration flow fix (#1694)

* add passphrase to credentials

* prevent double restoring

* fix conflict, simplify restricting user from tapping restore multiple times

---------

Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>

lib/view_model/restore/restore_from_qr_vm.dart

@@ -56,12 +56,8 @@ abstract class WalletRestorationFromQRVMBase extends WalletCreationVM with Store
   WalletCredentials getCredentialsFromRestoredWallet(
       dynamic options, RestoredWallet restoreWallet) {
     final password = generateWalletPassword();
-    String? passphrase;
+
     DerivationInfo? derivationInfo;
-    if (options != null) {
-      derivationInfo = options["derivationInfo"] as DerivationInfo?;
-      passphrase = options["passphrase"] as String?;
-    }
     derivationInfo ??= getDefaultCreateDerivation();
 
     switch (restoreWallet.restoreMode) {
@@ -119,7 +115,7 @@ abstract class WalletRestorationFromQRVMBase extends WalletCreationVM with Store
               name: name,
               mnemonic: restoreWallet.mnemonicSeed ?? '',
               password: password,
-              passphrase: passphrase,
+              passphrase: restoreWallet.passphrase,
               derivationType: derivationInfo!.derivationType!,
               derivationPath: derivationInfo.derivationPath!,
             );

lib/view_model/restore/restore_wallet.dart

@@ -10,6 +10,7 @@ class RestoredWallet {
       this.spendKey,
       this.viewKey,
       this.mnemonicSeed,
+      this.passphrase,
       this.txAmount,
       this.txDescription,
       this.recipientName,
@@ -23,6 +24,7 @@ class RestoredWallet {
   final String? spendKey;
   final String? viewKey;
   final String? mnemonicSeed;
+  final String? passphrase;
   final String? txAmount;
   final String? txDescription;
   final String? recipientName;
@@ -46,11 +48,13 @@ class RestoredWallet {
     final height = json['height'] as String?;
     final mnemonic_seed = json['mnemonic_seed'] as String?;
     final seed = json['seed'] as String? ?? json['hexSeed'] as String?;
+    final passphrase = json['passphrase'] as String?;
     return RestoredWallet(
       restoreMode: json['mode'] as WalletRestoreMode,
       type: json['type'] as WalletType,
       address: json['address'] as String?,
       mnemonicSeed: mnemonic_seed ?? seed,
+      passphrase: passphrase,
       height: height != null ? int.parse(height) : 0,
     );
   }