kstatusnotifieritem6_qt - en to fr translation catalogue (3 entries)

[ctx: KStatusNotifierItem|@action:inmenu]
en: &Minimize
fr: &Réduire

[ctx: KStatusNotifierItem|@action:inmenu]
en: Quit
fr: Quitter

[ctx: KStatusNotifierItem|@action:inmenu]
en: &Restore
fr: &Restaurer
