Fix back button cycling in Telegram Mini App

Add replace: true to all navigate() calls in useBackButton hooks
Prevents history cycles when navigating back and forth
All 32 admin pages now use navigate(path, { replace: true })
Back button now goes directly to parent without cycling

src/api/promo.ts

@@ -101,7 +101,9 @@ export const promoApi = {
 
   // Deactivate current active promo discount
   deactivateDiscount: async (): Promise<DeactivateDiscountResponse> => {
-    const response = await apiClient.post<DeactivateDiscountResponse>('/cabinet/promocode/deactivate-discount');
+    const response = await apiClient.post<DeactivateDiscountResponse>(
+      '/cabinet/promocode/deactivate-discount',
+    );
     return response.data;
   },
 };