Correcting symlinks between col- and row-resize and split_v and _h cursors

Summary: BUG: 384864

Reviewers: #plasma, apol, cfeck

Reviewed By: cfeck

Subscribers: davidedmundson, rdieter, tfoster, apol, asturmlechner, cfeck, plasma-devel

Tags: #plasma

Differential Revision: https://phabricator.kde.org/D8267