correctly handle bitcoin URIs if GUI is already running

see #4796

electrum/daemon.py

@@ -221,6 +221,7 @@ class Daemon(DaemonThread):
         config = SimpleConfig(config_options)
         if self.gui:
             if hasattr(self.gui, 'new_window'):
+                config.open_last_wallet()
                 path = config.get_wallet_path()
                 self.gui.new_window(path, config.get('url'))
                 response = "ok"

electrum/gui/qt/__init__.py

@@ -237,9 +237,9 @@ class ElectrumGui(PrintError):
         try:
             for w in self.windows:
                 if w.wallet.storage.path == wallet.storage.path:
-                    w.bring_to_top()
-                    return
-            w = self.create_window_for_wallet(wallet)
+                    break
+            else:
+                w = self.create_window_for_wallet(wallet)
         except BaseException as e:
             traceback.print_exc(file=sys.stdout)
             d = QMessageBox(QMessageBox.Warning, _('Error'),