Enhance Telegram bot integration and notification system

- Updated PnvBotUpdateHandler to improve message editing for login and activation requests, providing clearer feedback and removing lingering buttons.
- Modified TelegramNotifier to include an optional button linking to the public site in user notifications.
- Enhanced CloseTicketCommandHandler and ResolveTicketCommandHandler to notify users via Telegram when their support tickets are closed or resolved, improving user engagement.
- Updated ITelegramNotifier interface documentation to reflect the new functionality of including a site link in user notifications.

frontend/src/routes/admin.tsx

@@ -27,13 +27,13 @@ function AdminLayout() {
   return (
     <div className="mx-auto flex w-full max-w-5xl flex-col gap-6 px-6 py-10">
       <h1 className="text-2xl font-semibold tracking-tight">{t('nav.admin')}</h1>
-      <nav className="flex gap-1 overflow-x-auto border-b border-border">
+      <nav className="flex flex-wrap gap-1 border-b border-border">
         {TABS.map((tab) => (
           <Link
             key={tab.to}
             to={tab.to}
             activeOptions={{ exact: tab.to === '/admin' }}
-            className={cn('shrink-0 whitespace-nowrap px-3 py-2 text-sm text-muted-foreground hover:text-foreground')}
+            className={cn('whitespace-nowrap px-3 py-2 text-sm text-muted-foreground hover:text-foreground')}
             activeProps={{ className: 'border-b-2 border-primary text-foreground font-medium' }}
           >
             {t(`admin.tabs.${tab.key}`)}