Sync data files with glib 2.58.3-1co1
Update the desktop-files to the ones shipped in the 2.58.3-1co1 packages.
The file test was otherwise failing with:
/file/measure: **
GLib-GIO:ERROR:../../../gio/tests/file.c:981:test_measure: assertion failed (num_files == 31): (30 == 31)