CA-114548: Fixed typo.

Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
Small modification to the way the treeview is updated when the View settings change.
Fixed some memory leaks in the wizard and dialog tests. Updated broken Searcher tests.

Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>