Enable employees to create and edit customer orders with correct permissions

Update permission checks for creating and editing customer orders in the backend, ensuring role-based access control is correctly enforced for employee roles.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: b163d4c0-de5e-4f4e-a9c0-aed4c7049718
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/1957c339-2757-4d1f-8e92-e9f71a1ce58e/b163d4c0-de5e-4f4e-a9c0-aed4c7049718/zYx3zXF

shared/schema.ts

@@ -500,9 +500,6 @@ export type Task = typeof tasks.$inferSelect;
 export type InsertTask = z.infer<typeof insertTaskSchema>;
 
 // Complex types with relations
-export type UserWithGroups = User & {
-  groups: Group[];
-};
 
 export type OrderWithRelations = Order & {
   supplier: Supplier;