fix: reopen booking returns to "Связались" instead of "Новая"

Admin already contacted the person, so reopened bookings skip "Новая" state.
Renamed button from "Сбросить" to "Вернуть".

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/app/admin/bookings/page.tsx

@@ -213,10 +213,10 @@ function GroupBookingsTab() {
                   )}
                   {(b.status === "confirmed" || b.status === "declined") && (
                     <button
-                      onClick={() => handleStatus(b.id, "new")}
+                      onClick={() => handleStatus(b.id, "contacted")}
                       className="inline-flex items-center gap-1 rounded-full px-2.5 py-1 text-[10px] font-medium bg-neutral-800/50 text-neutral-500 border border-transparent hover:border-white/10 hover:text-neutral-300 transition-all"
                     >
-                      Сбросить
+                      Вернуть
                     </button>
                   )}
                 </div>