[Ubuntu] thick underline

**Describe the bug**

The metric that specify the underline thickness sets it too thick.

**To Reproduce**

use libreoffice 24.2+, make a new document and add characters, give them ubuntu font, and underline them: the underlining line appears too thick

**Expected behavior**

The line should be thinner

**Screenshots**


**Additional context**

Version: 24.8.4.2 (X86_64) / LibreOffice Community
Build ID: 480(Build:2)
CPU threads: 16; OS: Linux 6.8; UI render: default; VCL: gtk3
Locale: es-DO (C.UTF-8); UI: en-US
Ubuntu package version: 4:24.8.4~rc2-0ubuntu0.24.04.1~lo1
Calc: threaded

This LO version uses native font metric for underlining