Add option to prevent LDAP from deactivating everything on empty search (#9879) (#9896)
* Add option to prevent LDAP from deactivating everything on empty search
* Update options/locale/locale_en-US.ini
Co-Authored-By: guillep2k <18600385+guillep2k@users.noreply.github.com>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>