* Add new accesscontrol action for ldap config reload
* Update ldapAdminEditRole with new ldap config reload permission
* wrap /ldap/reload with accesscontrol authorize middleware
* document new action and update fixed:ldap:admin:edit with said action
* add fake accesscontrol implementation for tests
* Add accesscontrol tests for ldap handlers
Co-authored-by: Ursula Kallio <73951760+osg-grafana@users.noreply.github.com>