From duplicate bug #1887227, there's a known bug in LXDE that overrides XDG_DATA_DIRS (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=906288), however I'm not sure where the value "/usr/share/Lubuntu" comes from. This requires further investigation.
From duplicate bug #1887227, there's a known bug in LXDE that overrides XDG_DATA_DIRS (https:/ /bugs.debian. org/cgi- bin/bugreport. cgi?bug= 906288), however I'm not sure where the value "/usr/share/ Lubuntu" comes from. This requires further investigation.