Convert AnimationWithOffset to world coords.

Animations (via Actor.CenterPosition) now
understand Altitude, so there is potential for
mis-positioned animations if any existing altitude
hacks were missed.

OpenRA.Mods.RA/Render/WithSmoke.cs

@@ -28,8 +28,7 @@ namespace OpenRA.Mods.RA.Render
 			var rs = self.Trait<RenderSimple>();
 
 			anim = new Animation("smoke_m");
-			rs.anims.Add("smoke", new AnimationWithOffset(
-				anim, null, () => !isSmoking));
+			rs.anims.Add("smoke", new AnimationWithOffset(anim, null, () => !isSmoking));
 		}
 
 		public void Damaged(Actor self, AttackInfo e)