This contains only renames and namespace updates.
Tests pass and seems to work. Need to do a bit more self-testing for higher confidence, but in theory.. Closes https://github.com/ppy/osu/issues/34035. --------- Co-authored-by: Bartłomiej Dach <dach.bartlomiej@gmail.com>
Closes https://github.com/ppy/osu/issues/23626.