Improve emblem contrast, legibility and consistency
Summary:
Added outlines to 16 and 22 px icons
Improved the legibility of 8px icons
Added new 8, 16 and 22 px versions of existing emblems
Improved the consistency of emblem icons
BUG: 399356
BUG: 399357
BUG: 399968
FIXED-IN: 5.52
Reviewers: VDG
Reviewed By: VDG, ngraham
Subscribers: kde-frameworks-devel, VDG
Tags: Frameworks
Differential Revision: https://phabricator.kde.org/D16421