Restrict access to specific management sections for directors

Update Sidebar component to remove 'directeur' role access for '/suppliers' and '/groups' paths.

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/kdCs97W

client/src/components/Sidebar.tsx

@@ -126,13 +126,13 @@ export default function Sidebar() {
       path: "/suppliers", 
       label: "Fournisseurs", 
       icon: Building, 
-      roles: ["admin", "directeur"] 
+      roles: ["admin"] 
     },
     { 
       path: "/groups", 
       label: "Magasins", 
       icon: Users, 
-      roles: ["admin", "directeur"] 
+      roles: ["admin"] 
     },
   ];