Font rendering broken on Qt 6.10

## Current Behaviour

<img width="897" height="330" alt="Image" src="https://github.com/user-attachments/assets/b50227bc-771d-4398-b9d3-ecb1713f7823" />

**Build:**
N.A. 
bug shows when testing builds with qt 6.10 , but might be introduced by any qt >= 6.6


**Steps to reproduce:**
Load arduino board.

## Expected Behaviour
Rendered text isn't blured/bold


