Merge pull request #10423 from SomberNight/202601_qml_open_passwordless_wallets

qml: fix: allow opening passwordless wallets

electrum/gui/qml/qedaemon.py

@@ -192,13 +192,16 @@ class QEDaemon(AuthMixin, QObject):
 
         self._logger.debug('load wallet ' + str(self._path))
 
-        # map empty string password to None
+        # password unification helper:
+        # - if pw not given (None), try pw of current wallet.
+        # - but "" empty str passwords are kept as-is, to open passwordless wallets
+        if password is None:
+            password = self._password
+
+        # map explicit empty str password to None. the backend disallows empty str passwords.
         if password == '':
             password = None
 
-        if not password:
-            password = self._password
-
         wallet_already_open = self.daemon.get_wallet(self._path)
         if wallet_already_open is not None:
             password = QEWallet.getInstanceFor(wallet_already_open).password