refactor(src/window/panel/components): remove redundant hide_control_center call in on_network_direct_changed

Remove redundant hide_control_center(self.wifi_window) which had no effect after UI redesign; simplifies logic and avoids unnecessary side effects.

src/window/panel/components/indicators.py

@@ -221,7 +221,6 @@ class NetworkIndicator(Box):
     def on_network_direct_changed(self, *args):
         self.update_modus_service_wlan_state()
         self.update_state()
-        hide_control_center(self.wifi_window)
 
     def on_network_changed(self, *args):
         self.update_modus_service_wlan_state()