When importing dive details from a CSV file, it is better to treat the
values as manually imported instead of imported from a dive computer.
The original way discarded the temperature values from the details
import if a dive profile was imported and merged to the dive details.
Signed-off-by: Miika Turkia <miika.turkia@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>