Check icon positions after move
Summary:
BUG: 402574
When we're moving a bunch of icons to the area which is already busy, we didn't check whether we're moving icons to different places.
Now we check additionally if we're moving icon to the place already taken by previously moved icons.
Reviewers: Plasma, hein
Reviewed By: Plasma, hein
Subscribers: davidedmundson, plasma-devel
Tags: Plasma
Differential Revision: https://phabricator.kde.org/D17809