Add edit-line-width icons
Summary:
Add edit-line-width icons required for T8076.
CCBUG:408283
Test Plan:
Reviewers: VDG, ndavis
Reviewed By: VDG, ndavis
Subscribers: ngraham, ndavis, kde-frameworks-devel
Tags: Frameworks
Differential Revision: https://phabricator.kde.org/D24412