Update dashboard to send store ID for all user roles

Modify `Dashboard.tsx` to include `selectedStoreId` in the API request for `/api/dlc-products/stats` regardless of user role, shifting permission logic to the backend.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 1e4433b5-47ab-464c-b663-fea2e53367dd
Replit-Commit-Checkpoint-Type: intermediate_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/1957c339-2757-4d1f-8e92-e9f71a1ce58e/1e4433b5-47ab-464c-b663-fea2e53367dd/gtlJIVB

client/src/pages/Dashboard.tsx

@@ -231,7 +231,8 @@ export default function Dashboard() {
     queryKey: ["/api/dlc-products/stats", selectedStoreId],
     queryFn: () => {
       const params = new URLSearchParams();
-      if (selectedStoreId && user?.role === 'admin') params.append("storeId", selectedStoreId.toString());
+      // Envoyer selectedStoreId pour tous les utilisateurs (le backend gère les permissions)
+      if (selectedStoreId) params.append("storeId", selectedStoreId.toString());
       return fetch(`/api/dlc-products/stats?${params.toString()}`, {
         credentials: 'include'
       }).then(res => res.json());