fixes #9084 - catch net-ldap 0.11's specific invalid filter exception
(cherry picked from commit c86528305233a1acf51f4bae8678cd7b182d2a16)
Conflicts: app/models/auth_sources/auth_source_ldap.rb
fixes #9084 - catch net-ldap 0.11's specific invalid filter exception
(cherry picked from commit c86528305233a1acf51f4bae8678cd7b182d2a16)
Conflicts:
app/models/auth_sources/auth_source_ldap.rb