Making more recommended xplanet changes and fixing bugs:

Summary:
File Save QString instead of QUrl
Object Enum comparisons instead of translated strings
Removing FIFO options for Windows computers
Fixing Quote Error in URL for XPlanet Options
Replacing Temp file path code
Solving Translations puzzles

Making the FIFO file thread more reliable with a Future Watcher and timeouts. Also removing debug statements.

Reviewers: yurchor, pino, mutlaqja, kde-edu

Reviewed By: yurchor, mutlaqja

Subscribers: kde-edu, mutlaqja, pino, yurchor

Tags: KDE Edu

Differential Revision: https://phabricator.kde.org/D14939