Here's an even better version, in which the reshuffle button reshuffles the building options. No need to close and reopen the building panel. This requires adding the same line of code, just to a different part of the same file that specifies the action to take when the reshuffle button is pressed, ...

With this mod, build options are reshuffled each time the build panel is opened. This is one way to get around the current random build options + reshuffle system, for anyone who feels it's not right. It's a very simple mod, requiring only 1 additional line of code. Therefore, I'm not going to share...