translations update

apps/desktopgui/locale/messages_ar.po

apps/desktopgui/locale/messages_bg.po

apps/desktopgui/locale/messages_ca.po

apps/desktopgui/locale/messages_cs.po

apps/desktopgui/locale/messages_da.po

apps/desktopgui/locale/messages_de.po

apps/desktopgui/locale/messages_el.po

apps/desktopgui/locale/messages_es.po

apps/desktopgui/locale/messages_fa.po

apps/desktopgui/locale/messages_fi.po

apps/desktopgui/locale/messages_fr.po

apps/desktopgui/locale/messages_gl.po

apps/desktopgui/locale/messages_hu.po

apps/desktopgui/locale/messages_in.po

apps/desktopgui/locale/messages_it.po

apps/desktopgui/locale/messages_ja.po

apps/desktopgui/locale/messages_ko.po

apps/desktopgui/locale/messages_mg.po

apps/desktopgui/locale/messages_nb.po

apps/desktopgui/locale/messages_nl.po