Bug 1792638: Problem with ldap sync temp table

And also with calling $USER->logout();

And also with showing missing ldap server info for a user

behatnotneeded

Change-Id: I03656d286bbf2e56416151a52b2051235f9364df
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>
(cherry picked from commit 254103d6)
(cherry picked from commit f2da0c00)