Add a project configuration menu entry for the Word Wrap feature

Summary:
There is a word wrap flag in the project.lokalize file but there was no ui widget to change it.

FEATURE: 396774

Reviewers: Localization, aacid, ltoscano, shaforostoff, mlaurent, huftis

Reviewed By: Localization, aacid

Tags: Localization

Differential Revision: https://phabricator.kde.org/D14311