Calculation Configuration files is no more visible in the Results folder

[Picaut]

Describe the bug
Calculation Configuration file is no more present n the Results folder.
In the past, there were two config files in the Results folder, used for archives and informations.
They are not visible in I-Simpa, but still present inf the corresponding folder in Explorer

To Reproduce
Steps to reproduce the behavior:

1. Run a valid calculation
2. Explore results within I-Simpa
3. Right click on the corresponding folder results and Open folder
4. Compare files/folders

Expected behavior
Should see all the files

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information): See 'About I-Simpa' for the Version and build

• OS: Windows 10
• Version: I-SIMPA 1.3.4
• Build date: Built on 2020-12-04T09:10:49

Additional context

[nicolas-f]

I have to implement a XML editor in I-Simpa in order to display an icon if WxWidgets says no app is related with this extension.