CAM "Job preferences" page special widget's title black on black

[hasecilu]

This preference page have retractable pages, all contents are OK but the titles of these pages have black text on the dark theme.

The problem seems to be only with Qt5 version

OpenTheme 2024.9.1

OS: Arch Linux (Hyprland/hyprland)
Word size of FreeCAD: 64-bit
Version: 0.22.0dev.38622 (Git) AppImage
Build type: Release
Branch: main
Hash: ed97f3c4591303ee3b54906768f8f4eba5211265
Python 3.11.9, Qt 5.15.13, Coin 4.0.2, Vtk 9.2.6, OCC 7.7.2
Locale: Japanese/Japan (ja_JP)
Installed mods: 
  * Alternate_OpenSCAD.backup1724346061.0545766 1.0.0 (Disabled)
  * ThreadProfile 1.92.0
  * FreeCAD-Movie 2024.2.15
  * freecad.gears 1.2.0
  * PieMenu 1.8.0
  * freecad_metal_workbench 0.0.1
  * Ship 2022.4.11
  * OpenTheme 2024.9.1
  * FreeGrid 2.0.0
  * FreeCAD-Reinforcement
  * Defeaturing 1.2.2
  * FreeCAD_SheetMetal 0.4.16
  * FreeCAD-Pyramids-and-Polyhedrons
  * yaml-workspace 0.1.2
  * woodworking 0.21.2.33771
  * Assembly4 0.50.15
  * FastenersWB 0.5.28
  * lattice2 1.0.0
  * Rocket 3.3.0
  * dodo 1.0.1
  * DidYouKnowThat
  * FreeCAD-motion
  * cadquery_module
  * MnesarcoUtils 0.2.5 (Disabled)
  * Profiles 0.0.1
  * Alternate_OpenSCAD 1.0.0
  * osh-autodoc-workbench 0.2.3
  * CfdOF 1.27.5
  * A2plus 0.4.67
  * kicadStepUpMod 11.2.4
  * Nodes 0.1.36
  * Marz 0.1.8
  * frame 0.1.1
  * Curves 0.6.46
  * pcb 6.2023.1
  * FreeCAD_assembly3 0.12.2
  * Render 2024.8.4

Working on self-compiled version with Qt6