feat: add sales_stats RBAC permission section to frontend

- Update route guard and menu item to use sales_stats:read
- Add sales_stats:read to marketer preset
- Add i18n translations for sales_stats section (ru, en, fa, zh)

src/locales/fa.json

@@ -2576,6 +2576,7 @@
           "users": "کاربران",
           "tickets": "تیکت‌ها",
           "stats": "آمار",
+          "sales_stats": "آمار فروش",
           "broadcasts": "پیام‌های همگانی",
           "tariffs": "تعرفه‌ها",
           "promocodes": "کدهای تخفیف",