bug bull interface usability

As per the title. ALT + Left Click sometimes does not work with making regular improvements (not just repairing damaged ones). Its very frustrating as the user is always forced to drag the mouse to the left dropdown of improvement / repair action options. I have played this game for months...

Extending the long discontinued BULL (BtS Unaltered Gameplay DLL) mod with some of the UI conveniences that have been implemented over the past decade in other mods (mainly Advanced Civ and K-Mod so far). Please see the attached screenshots, the opening post under "Discussion" or the updated...