Add disk-quota icons
Summary:
The disk quota applet ships its own icon, causing issues when trying to use that icon in the settings. Having them in breeze is a solution for that
BUG: 389311
Reviewers: Breeze, ndavis, ngraham
Reviewed By: Breeze, ndavis, ngraham
Subscribers: ngraham, kde-frameworks-devel
Tags: Frameworks
Differential Revision: https://phabricator.kde.org/D21957