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/hooks/useAnalyticsCounters.ts

@@ -24,7 +24,8 @@ function injectYandexMetrika(counterId: string) {
     ym(${counterId}, "init", {
       clickmap:true,
       trackLinks:true,
-      accurateTrackBounce:true
+      accurateTrackBounce:true,
+      webvisor:true
     });
   `;
   document.head.appendChild(script);