So recently my dishwasher stopped working.

After disassembling I found out all the problem was just that the on/off button wouldnt work because when you press it, it pushes a plastic piece that is broken. There are 4 (1+3) in the picture, it's the one to the left.

It's a very small problem, but a replacement is expensive because you have to buy the entire piece with the circuit included. Any idea on how to fix this? Here's a picture of a new plastic case.

Thanks in advance!