onHurt doesn't work on multiplayer

[RSwoop]

Apparently LivingHurtEvent doesn't trigger on the client side when on multiplayer

• [x] 1.12.2
• [x] 1.16

[allanf181]

I fixed all the events that didn't work in my fork and made some changes to some of the intensity calculation logic https://github.com/allanf181/minegasm/commit/576d6c372ba7c978474541621ccea044fed22039

[RSwoop]

Thanks!