Bug 12784: Patron cannot change his personal details

Bug 12784: Patron cannot change his personal details

This patch fixes the regression introduced by the bug 12623 : a patron cannot change his personal details from OPAC.

Test plans :
In order to test this patch, first you have to apply the patch of bug 12781

a1/ Login with a user in OPAC
a2/ Request some modification (surname for example)
a3/ Repeat 2/
a4/ There are no errors

b1/ Register a new user from OPAC with the syspref :
PatronSelfRegistrationVerifyByEmail with the value "Require"
b2/ There are no errors

Followed test plan. Patch behaves as expected.
Signed-off-by: Marc Véron <veron@veron.ch>
Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Patch works as expected, passes tests and QA script.

Note: The second patron modification request
of one patron will overwrite his/her first request.

Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>