Invisible Scrollbar / Scrollbar visibility?

Version/Branch of Dear ImGui:

Version 1.92.2, Branch: docking

Back-ends:

imgui_impl_win32.cpp + imgui_impl_dx11.cpp

Compiler, OS:

Windows11 MSVC 2022

Full config/build information:

Is it possible to replicate the scrolling behavior shown in the attached video? Specifically, where the scrollbar only appears when the mouse hovers over its area, and it does not occupy its own dedicated space but instead overlays the content of the last column.

https://github.com/user-attachments/assets/82f6c1f6-b687-4e89-a9de-04844bb8fb21

Details:

My Issue/Question:

XXX (please provide as much context as possible)

Screenshots/Video:

No response

Minimal, Complete and Verifiable Example code:

// Here's some code anyone can copy and paste to reproduce your issue
ImGui::Begin("Example Bug");
MoreCodeToExplainMyIssue();
ImGui::End();