* add accesscontrol action for stats read
* use accesscontrol middleware for stats route
* add fixed role with permissions to read sever stats
* add accesscontrol action for settings read
* use accesscontrol middleware for settings route
* add fixed role with permissions to read settings
* add accesscontrol tests for AdminGetSettings and AdminGetStats
* add ability to scope settings
* add tests for AdminGetSettings
* 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>