Add cameleer.server.security.infrastructureendpoints property (default true) and @ConditionalOnProperty to DatabaseAdminController and ClickHouseAdminController so the SaaS provisioner can set CAMELEER_SERVER_SECURITY_INFRASTRUCTUREENDPOINTS=false to suppress these endpoints (404) on tenant server containers. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>