We're going to have more quickfixes, to it's best not to overload the
'server' module. Plus, there's a lot of boilerplate around the
quickfixes so we might want to factor it out.
It's a bit 'off-topic' to keep these in aiken-lang as those functions are really just about lsp. Plus, it removes a bit some of the boilerplate and make the entire edition more readable and re-usable. Now we can tackle other similar errors with the same quickfix.