BTW I think only the patch to `getIconFileName` is needed (cf. `core/src/main/resources/lib/hudson/actions.jelly`).

    git ls-files -z | xargs -0 grep -lZ -- \\\(conFile\\\|rl\\\)Name\\\(\\\)\ \\\?\[\!\=\]\=\ \\\?null | xargs -0 ls -l