Bug 22917: Fix a typo in an output_pref call

Bug 22917: Fix a typo in an output_pref call

Due to a type in a call to output_pref (datenonly vs dateonly) we were
comparing logactions within a minutes accuracy. Counting the logs for
the day would be sufficient for the test ;)

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
(cherry picked from commit 04d990c71d34d0c44999cfdf80e8379959d14de8)
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>