most likely no, it overwrites the core game dll (meaning it would be like playing v1.7 again).
i took some inspiration from that mod (thanks
fdjghjk for posting the sources)
and was working on a bepinex plugin to accomplish a similar thing. maybe i will post it if i finish it.
edit: uploaded my bepinex plugin for v1.9. haven't tested it extensively. install the way you use normal bepinex plugins:
You must be registered to see the links
read the config to find out what it does once you run the game with it enabled.