Feature/restrict permissions of demo user (#4697)

* Restrict permissions of demo user

* Update changelog

CHANGELOG.md

@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Harmonized the data providers management style of the admin control panel
+- Restricted the permissions of the demo user
 - Renamed `Order` to `activities` in the `User` database schema
 - Improved the language localization for Catalan (`ca`)
 - Improved the language localization for Chinese (`zh`)

apps/api/src/app/user/user.service.ts

@@ -394,9 +394,11 @@ export class UserService {
         // Reset holdings view mode
         user.Settings.settings.holdingsViewMode = undefined;
       } else if (user.subscription?.type === 'Premium') {
-        currentPermissions.push(permissions.createApiKey);
-        currentPermissions.push(permissions.enableDataProviderGhostfolio);
-        currentPermissions.push(permissions.reportDataGlitch);
+        if (!hasRole(user, Role.DEMO)) {
+          currentPermissions.push(permissions.createApiKey);
+          currentPermissions.push(permissions.enableDataProviderGhostfolio);
+          currentPermissions.push(permissions.reportDataGlitch);
+        }
 
         currentPermissions = without(
           currentPermissions,