misc: use Lamp Type in GamelogicEngineLamp.

Author: jsm174

VisualPinball.Engine.PinMAME/Games/Rock.cs

@@ -71,7 +71,7 @@ public class Rock : System80
 		};
 
 		public override GamelogicEngineLamp[] AvailableLamps { get; } = {
-			new GamelogicEngineLamp("01") { Description = "Lamp Group 1" },
+			new GamelogicEngineLamp("01") { Description = "Lamp Group 1", Type = LampType.SingleOffOn },
 			new GamelogicEngineLamp("03") { Description = "Shoot Again" },
 			new GamelogicEngineLamp("05") { Description = "#1 Drop Target (Upper)" },
 			new GamelogicEngineLamp("06") { Description = "#2 Drop Target (Upper)" },