Bug 13655: Allow creation of organisations without entering userid

Bug 13655: Allow creation of organisations without entering userid

See comment 1 of the bug report for defails of the issue.

Test plan:
Good luck (you will need to test all combinations (category type eq and
ne 'I'), then quick edition and partial edit)

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Josef Moravec <josef.moravec@gmail.com>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>