if in cpu-threaded mode so that we can avoid the unnecessary
locked SvNumberFormatter::GetType() calls (Mapping between NF index
and NF-type does not change while formula-group-threading
is running).
Change-Id: I648bc08c885da845f0b09cd57013cc1c23e01a61
Reviewed-on: https://gerrit.libreoffice.org/80848
Tested-by: Jenkins
Reviewed-by: Dennis Francis <dennis.francis@collabora.com>