/usr/lib/GNUstep/SOGo/CommonUI.SOGo/Resources is in sogo-common 1.3.16-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/GNUstep/SOGo/CommonUI.SOGo/../../../../share/GNUstep/SOGo/CommonUI.SOGo/Resources