Update examples for testing modules

examples/component/checkbox_in_frame.cpp

@@ -5,11 +5,16 @@
 #include <memory>  // for shared_ptr, __shared_ptr_access
 #include <string>  // for operator+, to_string
 
+#ifndef FTXUI_BUILD_MODULES
 #include "ftxui/component/captured_mouse.hpp"  // for ftxui
 #include "ftxui/component/component.hpp"  // for Checkbox, Renderer, Vertical
 #include "ftxui/component/component_base.hpp"      // for ComponentBase
 #include "ftxui/component/screen_interactive.hpp"  // for ScreenInteractive
 #include "ftxui/dom/elements.hpp"  // for operator|, Element, size, border, frame, vscroll_indicator, HEIGHT, LESS_THAN
+#else
+import ftxui.component;
+import ftxui.dom;
+#endif
 
 using namespace ftxui;