Enable administrators to delete sales and manage store selections

Fixes sales deletion route and updates admin user role in the database.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 4b008663-bd72-492b-b0b6-fa252367e730
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/0715008c-7244-40f4-befc-26c014852236/4b008663-bd72-492b-b0b6-fa252367e730/gfGF2TH

server/routes.ts

@@ -340,7 +340,7 @@ export async function registerRoutes(app: Express): Promise<Server> {
     }
   });
 
-  app.delete('/api/sales/:id', requireRole(['admin', 'manager']), async (req, res) => {
+  app.delete('/api/sales/:id', requireRole(['administrator', 'manager']), async (req, res) => {
     try {
       const saleId = parseInt(req.params.id);
       await storage.deleteSale(saleId);