Fix promo offer durations and active discount display

app/states.py

@@ -113,6 +113,8 @@ class AdminStates(StatesGroup):
     editing_promo_offer_discount = State()
     editing_promo_offer_test_duration = State()
     editing_promo_offer_squads = State()
+    selecting_promo_offer_user = State()
+    searching_promo_offer_user = State()
     
     # Состояния для отслеживания источника перехода
     viewing_user_from_balance_list = State()