Cant select ps 5 constroller on mac steam dst

I am folowing this https://support.klei.com/hc/en-us/articles/360029557372-How-do-I-play-Don-t-Starve-with-a-controller#:~:text=On the main menu%2C click,Start playing! toutorial. When i change the keyboard and mouse to ps 5 controller, the apply button dissapears and gamepad input is ignored so i cannot accept new settings! This is so frustrating!!!