Scrollbar: minor fix for top-right rounding of scrollbar background when window has menubar but no title bar

imgui.cpp

@@ -4212,7 +4212,7 @@ static void Scrollbar(ImGuiWindow* window, bool horizontal)
     if (horizontal)
         window_rounding_corners = 8 | (other_scrollbar ? 0 : 4);
     else
-        window_rounding_corners = ((window->Flags & ImGuiWindowFlags_NoTitleBar) ? 2 : 0) | (other_scrollbar ? 0 : 4);
+        window_rounding_corners = (((window->Flags & ImGuiWindowFlags_NoTitleBar) && !(window->Flags & ImGuiWindowFlags_MenuBar)) ? 2 : 0) | (other_scrollbar ? 0 : 4);
     window->DrawList->AddRectFilled(bb.Min, bb.Max, ImGui::GetColorU32(ImGuiCol_ScrollbarBg), window_rounding, window_rounding_corners);
     bb.Reduce(ImVec2(ImClamp((float)(int)((bb.Max.x - bb.Min.x - 2.0f) * 0.5f), 0.0f, 3.0f), ImClamp((float)(int)((bb.Max.y - bb.Min.y - 2.0f) * 0.5f), 0.0f, 3.0f)));