fix: Re-add trough creation that was for some reason removed in 6abe133.

Author: freezy

VisualPinball.Unity/VisualPinball.Unity.Editor/Import/VpxSceneConverter.cs

@@ -500,10 +500,35 @@ private void ConfigurePlayer(Dictionary<string, IMainComponent> components)
 			_tableGo.AddComponent<BallRollerComponent>();
 			var dga = _tableGo.AddComponent<DefaultGamelogicEngine>();
 
+			// add trough if none available
+			if (!_sourceContainer.HasTrough) {
+				CreateTrough(components);
+			}
+
 			// populate hardware
 			_tableComponent.RepopulateHardware(dga);
 		}
 
+		private void CreateTrough(Dictionary<string, IMainComponent> components)
+		{
+			var troughData = new TroughData("Trough") {
+				BallCount = 4,
+				SwitchCount = 4,
+				Type = TroughType.ModernMech
+			};
+			if (_sourceContainer.Has<Kicker>("BallRelease")) {
+				troughData.PlayfieldExitKicker = "BallRelease";
+			}
+			if (_sourceContainer.Has<Kicker>("Drain")) {
+				troughData.PlayfieldEntrySwitch = "Drain";
+			}
+			var item = new Trough(troughData) {
+				StorageIndex = _sourceContainer.ItemDatas.Count()
+			};
+
+			InstantiateAndPersistPrefab(item, components);
+		}
+
 		private void CreateFileHierarchy()
 		{
 			if (!Directory.Exists("Assets/Tables/")) {