Remove replace flag from back button navigation to fix double-click issue

Fixed issue where users had to click the Telegram Mini App back button twice
in many admin pages. The replace flag was causing conflicts between Telegram's
BackButton internal history and React Router's history management.

Updated all 32 admin pages to use simple navigate() calls without replace flag.

src/pages/AdminPayments.tsx

@@ -29,7 +29,7 @@ export default function AdminPayments() {
   const { capabilities } = usePlatform();
 
   // Use native Telegram back button in Mini App
-  useBackButton(() => navigate('/admin', { replace: true }));
+  useBackButton(() => navigate('/admin'));
 
   const [page, setPage] = useState(1);
   const [methodFilter, setMethodFilter] = useState<string>('');