Ok, here's my problem...

WITHOUT alternative button:
https://steamcommunity.com/sharedfiles/filedetails/?id=2901348889

WITH alternative button:
https://steamcommunity.com/sharedfiles/filedetails/?id=2901348808

I need to close the game and open it again to be able to snap it correctly. This is happening with ALL construct buildings, I took the SS from the floor board because I was trying all of the things and none of them worked.