Oh wait, you meant the icon, just remove/apply shortcuts to settings until you find place where it works, in U13 it was second position for me, did not work in 3rd and 4th (maybe also switching the amount of columns could help, no idea). Even in the position it 'worked' it would sometimes keep being gray, but airplane mode on/off usually fixed it

Just added to see if it still works, nope, seems to be broken in each position, nvm mind me (always on now, so assumed it would be similar as before, now seems properly broken)