Might be worth a look.I got sick of how poorly this ran when you have a lot of packs installed so rather than bitch an moan about it over the last week or two I remade the game in Unreal Engine. If anyone is interested I ccould post it here (though I'd have to make a few other posts before I can post a link).
It isn't perfectly 1:1 with this since I couldn't be bothered with any reverse engineering, I also used different icons (or no icons) since I didn't know the copyright status of them, but it is fairly similar. I did add some quality of life things though like hiding clients that can't be served by the selected employee, and an option to hide male (or female) employees if you don't want to see them.
As far as I know all the icons come from here and are public domain:
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