California fast-food workers are about to find out that there’s too much of a good thing. With a state law kicking in Monday that raises the minimum wage at most fast-food restaurants to $20 an hour, some businesses have already announced plans for shedding employees and cutting hours. And, naturally, it’s going to mean higher prices for everyone. The law raising the minimum wage for the Golden State’s half-million fast-food workers was signed by Democratic Gov. Gavin Newsom in September, according to USA Today. It was a gift wrapped up in a bow to organized labor — a Democratic fiefdom that …