rename role client to desktop

desktop/files/mozilla/firefox/mozilla.cfg

desktop/files/mozilla/thunderbird/defaults/pref/vendor.js

desktop/files/sddm-override.conf

desktop/files/sddm.conf

desktop/files/udev_audio-perm.rules

desktop/handlers/main.yml

desktop/tasks/configuration.yml

desktop/tasks/kde.yml

desktop/tasks/main.yml

desktop/tasks/network.yml

desktop/tasks/proprietary.yml

desktop/tasks/software.yml

desktop/templates/lpoptions.j2