fix: moderators can delete problems

server/routes.ts

@@ -199,9 +199,9 @@ export async function createApiRouter() {
             return
         }
 
-        if (user.role !== 'admin') {
+        if (!isAdministrator(user.role)) {
             res.status(StatusCodes.UNAUTHORIZED)
-            res.send(`only an admin can delete this entity`)
+            res.send(`only administrators can delete this entity`)
             return
         }