Update TelegramNotifier URL structure and enhance admin support routing

- Modified TelegramNotifier to change the support ticket URL format, using a query parameter for ticket identification.
- Enhanced the admin support route to validate search parameters, allowing for ticket-specific navigation from Telegram notifications.
- Updated AdminSupportPage to utilize navigation for ticket selection, improving user experience when accessing ticket details.

backend/src/PnvPanel.Api/Telegram/TelegramNotifier.cs

@@ -51,7 +51,7 @@ internal sealed class TelegramNotifier(ITelegramBotClient botClient, IIdentitySe
         InlineKeyboardMarkup? keyboard = null;
         if (!string.IsNullOrWhiteSpace(options.Value.PublicSiteUrl))
         {
-            var url = $"{options.Value.PublicSiteUrl.TrimEnd('/')}/admin/support/{ticketId}";
+            var url = $"{options.Value.PublicSiteUrl.TrimEnd('/')}/admin/support?ticket={ticketId}";
             keyboard = new InlineKeyboardMarkup(new[] { InlineKeyboardButton.WithUrl("🌐 Открыть на сайте", url) });
         }