Previously if the user has configured a language preference in the config then that choice took precedence over the --language option. It seems like the --language option is intended for temporary testing of a language so it would be more useful if it overrode the language choice in the config. Change-Id: I30d027b685b9fabda42f40c12599310dfbfc7cfa Reviewed-on: https://gerrit.libreoffice.org/c/core/+/209982 Tested-by: Jenkins Reviewed-by: Neil Roberts <nroberts@libreoffice.org>