While going through all the topics on this community forum once again, I found that module mounts might help me solve the problem that I described in the first post of this topic. Or is it not a viable solution to my issue?
I am referring to this topic: https://discourse.gohugo.io/t/do-all-page-bundles-need-localized-copies-once-you-add-a-new-language/37225/2