The fragments inside stepper shrink completely when keyboard is opened

[olsey]

I already have a question on stackoverflow: https://stackoverflow.com/questions/68769380/recyclerview-shrinks-when-keyboard-opens that is all related with this library, but firstly I thought it was a general problem but after all I tried and consulted with others I came in conclusion that it is a problem of the library(probably) if we can call it so.
You can see there are 2 images too that describe the problem visually.
I want the screen to only move up when keyboard is opened but as I said it only shrinks.
Thank you in advance, keep the good work going.