CMake Project Outline: show only files not folder in the tree view

When I click on the Cmake View ( the CMake icon on the left)

I can see my projects, but under my project, i see the folder and after the file, example :

MyProject
--Folder1
-----File1.c
--Folder2
-----File2.c

I prefet to have a view like that :
MyProject
-----File1.c
-----File2.c

I'm saying that, because in my works, I have a lot of files, and a lot of different folder.

Thank you,

Start from the CMake View, opened through the CMake icon in the left sidebar, and trace how its project tree is built. Confirm how folders and files are currently represented, then verify that the project outline shows the files without intermediate folders while preserving the project root.

Written by the indexing model from the issue text.