Only clean domain names on cert save if given

Author: jc21

backend/models/certificate.js

@@ -36,7 +36,9 @@ class Certificate extends Model {
 		}
 
 		// Default for domain_names
-		this.domain_names = cleanDomainNames(this.domain_names);
+		if (typeof this.domain_names !== "undefined") {
+			this.domain_names = cleanDomainNames(this.domain_names);
+		}
 
 		// Default for meta
 		if (typeof this.meta === "undefined") {
@@ -46,7 +48,9 @@ class Certificate extends Model {
 
 	$beforeUpdate() {
 		this.modified_on = now();
-		this.domain_names = cleanDomainNames(this.domain_names);
+		if (typeof this.domain_names !== "undefined") {
+			this.domain_names = cleanDomainNames(this.domain_names);
+		}
 	}
 
 	$parseDatabaseJson(json) {