Add icons to Edit menu
Summary:
Since Breeze offers such a great palette of action icons I thought we should make use of them which make things also more consistent with other applications.
Before:
After:
Test Plan:
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Icons are shown in Edit menu
Reviewers: Dolphin, ngraham
Reviewed By: Dolphin, ngraham
Subscribers: ngraham
Differential Revision: https://phabricator.kde.org/D10503