Add an option to automatically verify SSH keys from LDAP (#35927)

This pull request adds an option to automatically verify SSH keys from
LDAP authentication sources.

This allows a correct authentication and verification workflow for
LDAP-enabled organizations; under normal circumstances SSH keys in LDAP
are not managed by users manually.

services/forms/auth_form.go

@@ -34,6 +34,7 @@ type AuthenticationForm struct {
 	AttributeMail         string
 	AttributeSSHPublicKey string
 	AttributeAvatar       string
+	SSHKeysAreVerified    bool
 	AttributesInBind      bool
 	UsePagedSearch        bool
 	SearchPageSize        int