qt: automatically proceed wizard when unlocking existing wallet or succesful retrieve of xpub

for new wallet

electrum/gui/qt/wizard/wallet.py

@@ -1228,6 +1228,9 @@ class WCHWUnlock(WizardComponent, Logger):
         else:
             self.valid = False
 
+        if self.valid:
+            self.wizard.requestNext.emit()  # via signal, so it triggers Next/Finish on GUI thread after on_updated()
+
     def apply(self):
         if self.valid:
             self.wizard_data['password'] = self.password
@@ -1302,6 +1305,9 @@ class WCHWXPub(WizardComponent, Logger):
         else:
             self.valid = False
 
+        if self.valid:
+            self.wizard.requestNext.emit()  # via signal, so it triggers Next/Finish on GUI thread after on_updated()
+
     def apply(self):
         _name, _info = self.wizard_data['hardware_device']
         cosigner_data = self.wizard.current_cosigner(self.wizard_data)

electrum/gui/qt/wizard/wizard.py

@@ -21,6 +21,8 @@ if TYPE_CHECKING:
 class QEAbstractWizard(QDialog, MessageBoxMixin):
     _logger = get_logger(__name__)
 
+    requestNext = pyqtSignal()
+
     def __init__(self, config: 'SimpleConfig', app: 'QElectrumApplication', *, start_viewstate: 'WizardViewState' = None):
         QDialog.__init__(self, None)
         self.app = app
@@ -40,7 +42,7 @@ class QEAbstractWizard(QDialog, MessageBoxMixin):
         self.next_button = QPushButton(_("Next"), self)
         self.next_button.clicked.connect(self.on_next_button_clicked)
         self.next_button.setDefault(True)
-
+        self.requestNext.connect(self.on_next_button_clicked)
         self.logo = QLabel()
 
         please_wait_layout = QVBoxLayout()