Merge pull request #12292 from pchote/fix-cargo-capture

Prevent mod-code from manpulating actor owners directly.

OpenRA.Mods.Common/Traits/Cargo.cs

@@ -382,11 +382,8 @@ namespace OpenRA.Mods.Common.Traits
 			if (cargo == null)
 				return;
 
-			self.World.AddFrameEndTask(w =>
-			{
-				foreach (var p in Passengers)
-					p.Owner = newOwner;
-			});
+			foreach (var p in Passengers)
+				p.ChangeOwner(newOwner);
 		}
 
 		void INotifyAddedToWorld.AddedToWorld(Actor self)