/usr/lib/libreoffice/share/autotext/xh/crdbus50.bau is in libreoffice-l10n-xh 1:3.5.2-2ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libreoffice/share/autotext/xh/../en-US/crdbus50.bau