fix(frontend): expose missing server address

Author: lxhtt

MCServerLauncher.WPF/InstanceConsole/View/Components/MinecraftInstanceAddress.xaml.cs

@@ -93,8 +93,8 @@ public async Task RefreshAsync()
                     }
                     else
                     {
-                        // Default to local address
-                        ServerIP = "127.0.0.1";
+                        ServerIP = Lang.Tr["Status_LoadFailed"];
+                        return;
                     }
 
                     // Add port if available
@@ -103,6 +103,10 @@ public async Task RefreshAsync()
                         ServerIP = $"{ServerIP}:{serverPort}";
                     }
                 }
+                else
+                {
+                    ServerIP = Lang.Tr["Status_LoadFailed"];
+                }
 
                 await Task.CompletedTask;
             }
@@ -119,4 +123,4 @@ private void ToggleIP(object sender, RoutedEventArgs e)
             ToggleIPButton.Content = AddressTextBox.Visibility == Visibility.Hidden ? Lang.Tr["ClickToView"] : Lang.Tr["ClickToHide"];
         }
     }
-}
+}