Wrap text in settings

Summary: On my phone the weather online service text exceeds the screen width. Wrap it.

Test Plan: Text wraps when window is made narrow enough. Not tested on the phone.

Reviewers: vkrause

Reviewed By: vkrause

Subscribers: kde-pim

Tags: KDE PIM

Differential Revision: https://phabricator.kde.org/D17136