minor fixes

src/services/aliases/aliases.class.ts

@@ -126,10 +126,8 @@ export class AliasesService<ServiceParams extends AliasesParams = AliasesParams>
 
     sanitizeAliasResponse(alias: WildDuckAddress): AliasApiResponse {
         // Hide the id if the alias is not removable
-        const isRemovable = alias.main || !alias.address.endsWith(config.get('wildDuck.preferredDomain'));
-
         return {
-            id: isRemovable ? null : alias.id,
+            id: alias.main ? null : alias.id,
             address: alias.address,
             tags: alias.tags,
             created: alias.created,