message: Add all show buffer radio buttons on same line.  Checkbox to show/hide stats
diff: @@ -1201,6 +1201,7 @@ void MainWindow::buildMainMenuEdit()
  }
  if (fb.hasAlbedoChannel()) {
  + ImGui::SameLine();
  ImGui::RadioButton("albedo##displayAlbedo", &whichBuffer, 1);
  }
  if (fb.hasDepthChannel()) {
  @@ -1425,8 +1426,7 @@ void MainWindow::buildMainMenuView()
  showSnapshots = true;
  if (ImGui::MenuItem("Geometry...", "", nullptr))
  showGeometryViewer = true;
  - if (ImGui::MenuItem("Rendering stats...", "", nullptr))
  - showRenderingStats = true;
  + ImGui::Checkbox("Rendering stats...", &showRenderingStats);
  ImGui::EndMenu();
  }
  }
  