This bug was fixed in the package xubuntu-artwork - 18.04.5
--------------- xubuntu-artwork (18.04.5) bionic; urgency=medium
* Update elementary-xfce to 3ab8783 - [UIFe] Fix inconsistencies in the elementary-xfce icon theme (LP: #1761623)
-- Sean Davis <email address hidden> Sat, 14 Apr 2018 06:13:39 -0400
This bug was fixed in the package xubuntu-artwork - 18.04.5
---------------
xubuntu-artwork (18.04.5) bionic; urgency=medium
* Update elementary-xfce to 3ab8783
- [UIFe] Fix inconsistencies in the elementary-xfce icon theme
(LP: #1761623)
-- Sean Davis <email address hidden> Sat, 14 Apr 2018 06:13:39 -0400