Fix actors being added to world while world actors are being iterated

[PunkPun]

Mirrors

OpenRA/OpenRA.Mods.Common/Scripting/Global/ActorGlobal.cs

Lines 112 to 117 in 96d023d

	// The actor must be added to the world at the end of the tick
	var a = Context.World.CreateActor(false, type, initDict);
	if (addToWorld)
	Context.World.AddFrameEndTask(w => w.Add(a));
	return a;

[Mailaender]

Changelog