client/core: Only check for fees when they are definitely available

The fee checks for dynamic fee assets were happening many times before
the transaction was confirmed, unnecessarily slowing the ticks down.
This modifies the logic to decide if a check is needed by considering match
status differently, and by checking if the swaps has at least one confirmation.

client/core/trade.go

@@ -1386,10 +1386,13 @@ func (t *trackedTrade) checkSwapFeeConfirms(match *matchTracker) bool {
 		// Confirmed will be set in the db.
 		return true
 	}
+	// Waiting until the swap is definitely confirmed in order to not
+	// keep calling the fee checker before the swap is confirmed.
+	mySwapConfs, _ := match.confirms()
 	if match.Side == order.Maker {
-		return match.Status >= order.MakerSwapCast
+		return match.Status > order.MakerSwapCast || mySwapConfs > 0
 	}
-	return match.Status >= order.TakerSwapCast
+	return match.Status > order.TakerSwapCast || mySwapConfs > 0
 }
 
 // checkRedemptionFeeConfirms returns whether the swap fee confirmations should