Fix custom order generators for left-click targeting.

OpenRA.Game/Traits/TraitsInterfaces.cs

@@ -108,7 +108,7 @@ namespace OpenRA.Traits
 		int OrderPriority { get; }
 		bool CanTarget(Actor self, Target target, List<Actor> othersAtTarget, ref TargetModifiers modifiers, ref string cursor);
 		bool IsQueued { get; }
-		bool OverrideSelection { get; }
+		bool TargetOverridesSelection(TargetModifiers modifiers);
 	}
 
 	public interface IResolveOrder { void ResolveOrder(Actor self, Order order); }