fix: batch bug fixes matching backend changes

- Promo code errors: add inactive/not_yet_valid translations (4 locales) + Balance.tsx parser
- Daily 100% discount: render price block when originalDailyPrice > 0
- Webvisor: enable in Yandex Metrika init config
- Referral attribution: consume campaign/referral slugs only after successful auth (all login methods)
- registerWithEmail: consume referral code after success
- AdminSettings: move TARIFF_MODE_SETTINGS to module scope (fix eslint warning)

src/locales/en.json

@@ -677,6 +677,8 @@
       "errors": {
         "not_found": "Promo code not found",
         "expired": "Promo code has expired",
+        "inactive": "Promo code is deactivated",
+        "not_yet_valid": "Promo code is not yet active",
         "used": "Promo code has already been used",
         "already_used_by_user": "You have already used this promo code",
         "user_not_found": "User not found",