fix: correct detecting if user ip is private [2]

Author: yaroslav8765

adminforth/modules/restApi.ts

@@ -382,8 +382,15 @@ export default class AdminForthRestAPI implements IAdminForthRestAPI {
         if (username === 'adminforth') {
           defaultUserExists = true;
         }
+
+      // getting client ip address (if null - ip definetely is private, if not null - check if it is private)
       const clientIp = this.adminforth.auth.getClientIp(response.getHeaders?.() || {});
-      const isPrivateIP = is_ip_private(clientIp) === undefined || false ? true : false;
+      let isPrivateIP = true;
+
+      if (clientIp) {
+        // ip is not null, so  we need to make sure that it is not private
+        isPrivateIP = is_ip_private(clientIp);
+      }
 
         const publicPart = {
           brandName: this.adminforth.config.customization.brandName,