message: Demo: Console: Tweak.
diff: @@ -2563,7 +2563,8 @@ struct ExampleAppConsole
  ImGui::PopStyleVar();
  ImGui::Separator();
  - ImGui::BeginChild("ScrollingRegion", ImVec2(0, -ImGui::GetStyle().ItemSpacing.y - ImGui::GetFrameHeightWithSpacing()), false, ImGuiWindowFlags_HorizontalScrollbar); // Leave room for 1 separator + 1 InputText
  + const float footer_height_to_reserve = ImGui::GetStyle().ItemSpacing.y + ImGui::GetFrameHeightWithSpacing(); // 1 separator, 1 input text
  + ImGui::BeginChild("ScrollingRegion", ImVec2(0, -footer_height_to_reserve), false, ImGuiWindowFlags_HorizontalScrollbar); // Leave room for 1 separator + 1 InputText
  if (ImGui::BeginPopupContextWindow())
  {
  if (ImGui::Selectable("Clear")) ClearLog();
  