George Vogiatzis authored Feb 17, 2020 and Nate Graham committed Feb 17, 2020

Summary:
Fix binding loop with detailValueLabel's width.
Remove workaround for contentRect height.
Use Column as root item.
Remove unused topMargin.

Test Plan: Details of connections must remain the same.

Reviewers: #plasma, #vdg, jgrulich, ngraham

Reviewed By: #vdg, jgrulich, ngraham

Subscribers: ngraham, broulik, plasma-devel

Tags: #plasma

Maniphest Tasks: T10470

Differential Revision: https://phabricator.kde.org/D27393