Enabled viewports.

private/raid_test/main.cpp

@@ -34,6 +34,7 @@ int main(int argc, char* argv[])
             .render = &render
         },
         .folderName = "raid_test_app",
+        .windowTitle = "RAID Test App",
         .mainWindowFlags = raid::DEFAULT_MAIN_WINDOW_FLAGS | ImGuiWindowFlags_MenuBar
     });
 }