Markdown mime use wrong icon

Markdown files used x-office-document or another. Tested with icon themes Breeze & Papirus (with Dolphin, PCManFM and Nautilus)

shared-mime-info: 1.15 Operating System: KDE neon 5.24 KDE Plasma Version: 5.24.4 KDE Frameworks Version: 5.93.0 Qt Version: 5.15.3

https://github.com/PapirusDevelopmentTeam/papirus-icon-theme/issues/3040