tdf#134607 mac-langpacks: always query for full name with extension
kMDItemDisplayName has different values depending on the setting whether
to show extensions for all filetypes in Finder, breaking the
detection/validation of the installation target in case the user doesn't
use the default setting.
Change-Id: Ic9605abaaa1f070f1f5ec9940190fd1dd2555bdf
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/110479
Tested-by: Christian Lohmaier <lohmaier+LibreOffice@googlemail.com>
Reviewed-by: Christian Lohmaier <lohmaier+LibreOffice@googlemail.com>