Fix adding a new authentication source after selecting OAuth (#2889)

public/js/index.js

         $('#auth_type').change(function () {
             $('.ldap, .dldap, .smtp, .pam, .oauth2, .has-tls').hide();
 
-            $('.ldap input[required], .dldap input[required], .smtp input[required], .pam input[required], .oauth2 input[required] .has-tls input[required]').removeAttr('required');
+            $('.ldap input[required], .dldap input[required], .smtp input[required], .pam input[required], .oauth2 input[required], .has-tls input[required]').removeAttr('required');
 
             var authType = $(this).val();
             switch (authType) {