Re-enabling KDE Neon Jammy builds

[igorpecovnik]

Description

We have disabled this since base-files were downgrading when MESA extension was used. I still down know why this happens, but holding base-files before and unholding after solves the problem. KDE Neon builds and works fine.

How Has This Been Tested?

• Generate image and playing around with

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• Any dependent changes have been merged and published in downstream modules