Make STM accept trading cards only, #245

Author: JustArchi

ArchiSteamFarm/JSON/Steam.cs

@@ -251,7 +251,7 @@ private string TradeOfferIDString {
 			// Extra
 			internal ulong OtherSteamID64 => OtherSteamID3 == 0 ? 0 : new SteamID(OtherSteamID3, EUniverse.Public, EAccountType.Individual);
 
-			internal bool IsSteamCardsOnlyTradeForUs() => ItemsToGive.All(item => (item.AppID == Item.SteamAppID) && (item.ContextID == Item.SteamContextID) && ((item.Type == Item.EType.FoilTradingCard) || (item.Type == Item.EType.TradingCard)));
+			internal bool IsSteamCardsOnlyTradeForUs() => ItemsToGive.All(item => (item.AppID == Item.SteamAppID) && (item.ContextID == Item.SteamContextID) && (item.Type == Item.EType.TradingCard));
 
 			internal bool IsPotentiallyDupesTradeForUs() {
 				Dictionary<uint, Dictionary<Item.EType, uint>> itemsToGivePerGame = new Dictionary<uint, Dictionary<Item.EType, uint>>();