Bug 21597: Data too long for column 'invitekey'

Bug 21597: Data too long for column 'invitekey'

Fix t/db_dependent/Virtualshelves.t

virtualshelfshares.invitekey
  `invitekey` varchar(10) COLLATE utf8mb4_unicode_ci DEFAULT NULL,

We should not insert a longer string!

DBIx::Class::Storage::DBI::_dbh_execute(): Data too long for column
'invitekey' at row 1 at /home/vagrant/kohaclone/Koha/Object.pm line 125

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
(cherry picked from commit f19a99209528e85003cd56104640effe75e4f126)
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>