Add LDAP group sync to Teams, fixes #1395 (#16299)

* Add setting for a JSON that maps LDAP groups to Org Teams.
* Add log when removing or adding team members.
* Sync is being run on login and periodically.
* Existing group filter settings are reused.
* Adding and removing team members.
* Sync not existing LDAP group.
* Login with broken group map JSON.

services/forms/auth_form.go

@@ -79,6 +79,8 @@ type AuthenticationForm struct {
 	SSPIStripDomainNames          bool
 	SSPISeparatorReplacement      string `binding:"AlphaDashDot;MaxSize(5)"`
 	SSPIDefaultLanguage           string
+	GroupTeamMap                  string
+	GroupTeamMapRemoval           bool
 }
 
 // Validate validates fields