feat: implement real user login state and fix profile view

pages/Dashboard.tsx

@@ -40,10 +40,11 @@ export const Dashboard: React.FC = () => {
     const fetchData = async () => {
       setLoading(true);
       try {
+        const tenantId = localStorage.getItem('ctms_tenant_id') || CURRENT_TENANT_ID;
         // Fetch users and attendances in parallel
         const [fetchedUsers, fetchedData] = await Promise.all([
-          getUsers(CURRENT_TENANT_ID),
-          getAttendances(CURRENT_TENANT_ID, filters)
+          getUsers(tenantId),
+          getAttendances(tenantId, filters)
         ]);
         
         setUsers(fetchedUsers);