This allows the LINQ spelling to be used, but benefits from the performance improvement of the specific methods for these classes that provide the same result.
* If production is ordered by `Ctrl + Left Click` the item is added to the top of the stack after the currently produced item
* Works with `Shift` for priority queueing of 5 items
* This modifier is not taken into account for `ParallelProductionQueue` as it doesn't make sense in that context