Constrain kickoff config button label size
Summary:
A better way to achieve center aligning is to use the alignment property
of QtQuick.Text.
This looks the same but because we now have left and right anchors text
gets elided properly rather than overflowing out the box.
Test Plan: Opened, looks identical
Reviewers: Plasma
Subscribers: jsalatas, plasma-devel
Tags: Plasma
Differential Revision: https://phabricator.kde.org/D2901