userData default values

src/ldap/internal/config.ts

@@ -70,10 +70,10 @@ export class userData {
     mail?: string;
     birthdate: string;
     nationality?: string;
-    admins?: string[];
-    speakers?: string[];
-    members?: string[];
-    followers?: string[];
+    admins?: string[] = [];
+    speakers?: string[] = [];
+    members?: string[] = [];
+    followers?: string[] = [];
 }
 
 /**