fix(core): update

ts/smartacme.classes.cert.ts

@@ -31,8 +31,10 @@ export class Cert extends plugins.smartdata.SmartDataDbDoc<Cert> implements inte
 
   constructor(optionsArg: ICert) {
     super();
+    if (optionsArg) {
       Object.keys(optionsArg).forEach(key => {
         this[key] = optionsArg[key];
       });
     }
   }
+}