message: fix import without animation
diff: @@ -1175,6 +1175,7 @@ void MainWindow::buildMainMenuFile()
  if (ImGui::BeginMenu("File")) {
  if (ImGui::MenuItem("Import ...", nullptr)) {
  showImportFileBrowser = true;
  + animate = false;
  } else if (ImGui::MenuItem("Import and animate ...", nullptr)) {
  showImportFileBrowser = true;
  animate = true;
  