Add code for ShowHexId setting.

[BHNHAT]

As the title says. The code for ShowHexId is gone after the big update.

[dmex]

ShowHexId is a legacy setting that was replaced with new columns ending with (hex). You can have both columns simultaneously instead of having to choose between one or the other 👍

[BHNHAT]

Ok, I see it. Thanks for letting me know.