move window initialization hook inside class

gui/qt/__init__.py

@@ -217,7 +217,6 @@ class ElectrumGui:
             if not wallet:
                 return
             w = ElectrumWindow(config, self.network, self)
-            run_hook('new_window', w)
             w.connect_slots(self.timer)
 
             # load new wallet in gui

gui/qt/main_window.py

@@ -185,6 +185,8 @@ class ElectrumWindow(QMainWindow):
         self.fetch_alias()
         self.require_fee_update = False
         self.tx_notifications = []
+        # hook
+        run_hook('new_window', self)
 
     def is_hidden(self):
         return self.isMinimized() or self.isHidden()