keycloak auth log fix

clearing-parent/backend-api/src/main/java/ru/spcex/clearing/backendapi/security/KeycloakRestTemplateAuthenticationProvider.java

@@ -105,7 +105,7 @@ public class KeycloakRestTemplateAuthenticationProvider implements Authenticatio
             KeycloakAuthenticationToken keycloakAuthenticationToken = new KeycloakAuthenticationToken(account, false, realmRoles);
             keycloakAuthenticationToken.setAuthenticated(true);
             log.debug("login successful: login {}, roles from keycloak: {}; effective roles {}",
-                    principalName,
+                    authentication.getName(),
                     String.join(";", roles),
                     String.join(";", effectiveRoles)
             );