message: Made the ImGuiWindowFlags_NoMove flag inherited from parent to child, so in a setup with RootWindow (no flag) -> Child (NoMove flag) -> SubChild (no flag) user won't be able to move the root window by clicking on SubChild.
diff: @@ -3787,6 +3787,7 @@ static bool BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, b
  {
  ImGuiWindow* parent_window = ImGui::GetCurrentWindow();
  ImGuiWindowFlags flags = ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_NoSavedSettings|ImGuiWindowFlags_ChildWindow;
  + flags |= (parent_window->Flags & ImGuiWindowFlags_NoMove); // Inherit the NoMove flag
  const ImVec2 content_avail = ImGui::GetContentRegionAvail();
  ImVec2 size = ImFloor(size_arg);
  