Use ecs_iter_is_true in Iterator.Any

src/gaemstone.ECS/Internal/Iterator.cs

@@ -55,12 +55,12 @@ public unsafe class Iterator
 	public virtual bool Next()
 		=> ecs_iter_next(Handle);
 
-	public bool Any()
-		{ using (this) return Next(); }
-
 	public Entity First()
 		=> new(ecs_iter_first(Handle));
 
+	public bool Any()
+		=> ecs_iter_is_true(Handle);
+
 	public IEnumerable<Entity> GetAllEntities()
 	{
 		while (Next())