Fix Level1ExtendBuilderAdapter candle conversion DataType mismatch

TryConvertAsync for candles compared subscription DataType (with Arg)
against generic DataType.CandleTimeFrame (Arg=null), always failing.
Fix: use candleMsg.DataType instead. Add comprehensive adapter tests.

Author: mikasoukhov

Algo/Level1ExtendBuilderAdapter.cs

@@ -256,7 +256,7 @@ protected override async ValueTask OnInnerAdapterNewOutMessageAsync(Message mess
 			{
 				var candleMsg = (TimeFrameCandleMessage)message;
 
-				message = await TryConvertAsync(candleMsg, DataType.CandleTimeFrame, Extensions.ToLevel1, cancellationToken);
+				message = await TryConvertAsync(candleMsg, candleMsg.DataType, Extensions.ToLevel1, cancellationToken);
 				break;
 			}
 		}