Oh boy! You got a mess! Apple won't fix that either! The newer MacBook Pro's keyboard are even harder to replace.
As hard as it is to hear you really need to get a new system. Do you have any insurance which you can claim?
Here's a bit more on the defective 2016/2017 MacBook Pro keyboards: [https://www.youtube.com/watch?v=4KuVvb9DTaU|We need to talk about failing keyboards on these new Macbooks]