Use LDAP base as group base by default

inst

@@ -85,7 +85,7 @@ nextcloud_ensure_ucr() {
             nextcloud/ldap/groupDisplayName?"cn" \
             nextcloud/ldap/base?"$ldap_base" \
             nextcloud/ldap/baseUsers?"$ldap_base" \
-            nextcloud/ldap/baseGroups?"cn=groups,$ldap_base" \
+            nextcloud/ldap/baseGroups?"$ldap_base" \
             nextcloud/ldap/filterLogin?"(&(objectclass=nextcloudUser)(nextcloudEnabled=1)(uid=%uid))" \
             nextcloud/ldap/filterUsers?"(&(objectclass=nextcloudUser)(nextcloudEnabled=1))" \
             nextcloud/ldap/filterGroups?"(&(objectclass=nextcloudGroup)(nextcloudEnabled=1))" \