Fix minor EBN issues

Summary: Include duplication, no newline at the end of file and missing argument to the i18n() call

Test Plan: Should work fine but needs a review for i18n() calls

Reviewers: #plasma, apol

Reviewed By: apol

Subscribers: apol, plasma-devel

Tags: #plasma

Differential Revision: https://phabricator.kde.org/D24580