feat: ask password for mnemonic display even if it's cached

lib/screens/myWallets/chest_options.dart

@@ -62,7 +62,6 @@ class ChestOptions extends StatelessWidget {
                   WalletData? defaultWallet =
                       _myWalletProvider.getDefaultWallet();
                   String? _pin;
-                  if (_myWalletProvider.pinCode == '') {
                   _pin = await Navigator.push(
                     context,
                     MaterialPageRoute(
@@ -71,8 +70,8 @@ class ChestOptions extends StatelessWidget {
                       },
                     ),
                   );
-                  }
-                  if (_pin != null || _myWalletProvider.pinCode != '') {
+
+                  if (_pin != null) {
                     Navigator.push(
                       context,
                       MaterialPageRoute(builder: (context) {