Bug 27821: Make sanitize_zero_date support datetime and timestamp

Bug 27821: Make sanitize_zero_date support datetime and timestamp

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
(cherry picked from commit 3e3803ee20dc3dfc3d21e5cafa7a76159c8d4aba)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
(cherry picked from commit 3652f652d260bafc8669205d59866db792e56f47)

Signed-off-by: Andrew Fuerste-Henry <andrew@bywatersolutions.com>
(cherry picked from commit 244d8924d17897293df0ca652cb1361f946bb431)
Signed-off-by: Victor Grousset/tuxayo <victor@tuxayo.net>