Optimize GetActiveTradeOffers()

This is a very important optimization, as Steam might randomly fuck up and not apply default cutoff of last request (as stated in documentation). We have no interest of changes anyway, so we can skip all trades but active ones.

ArchiSteamFarm/ArchiWebHandler.cs

@@ -236,10 +236,11 @@ namespace ArchiSteamFarm {
 
 						try {
 							response = iEconService.GetTradeOffers(
-								get_received_offers: 1,
 								active_only: 1,
 								get_descriptions: 1,
-								secure: true
+								get_received_offers: 1,
+								secure: true,
+								time_historical_cutoff: uint.MaxValue
 							);
 						} catch (Exception e) {
 							Bot.ArchiLogger.LogGenericWarningException(e);