Fix return statement syntax in map functions

Add missing semicolons after return statement closing in:
- devices page map function
- users page map function

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/admin/devices/page.tsx

@@ -344,6 +344,7 @@ export default function DevicesPage() {
               )}
             </div>
           </div>
+          );
         })}
       </div>
 

app/admin/users/page.tsx

@@ -333,7 +333,8 @@ export default function UsersPage() {
             )}
             </div>
           </div>
-        ))}
+          );
+        })}
       </div>
 
       {users.length === 0 && (