fix: noisy domain expiry checks in monitor editor and missing debuggability (#6637)

Co-authored-by: Frank Elsinga <frank@elsinga.de>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

server/util-server.js

@@ -487,7 +487,7 @@ const parseCertificateInfo = function (info) {
 /**
  * Check if certificate is valid
  * @param {tls.TLSSocket} socket TLSSocket, which may or may not be connected
- * @returns {object} Object containing certificate information
+ * @returns {null | {valid: boolean, certInfo: object}} Object containing certificate information
  */
 exports.checkCertificate = function (socket) {
     let certInfoStartTime = dayjs().valueOf();