Update examples for testing modules

examples/component/scrollbar.cpp

@@ -1,8 +1,13 @@
 // Copyright 2023 Arthur Sonzogni. All rights reserved.
 // Use of this source code is governed by the MIT license that can be found in
 // the LICENSE file.
+#ifndef FTXUI_BUILD_MODULES
 #include <ftxui/component/component.hpp>
 #include <ftxui/component/screen_interactive.hpp>
+#else
+import ftxui.component;
+import ftxui.dom;
+#endif
 
 using namespace ftxui;