Is your feature request related to a problem? Please describe.
It's really painful to look at this small font (see the screenshots below), and I can't change it inside the program. The font option in the Appearance tab does not apply everywhere.

Describe the solution you'd like
I would like to see an option that lets you to configure the font sizes in a more detailed manner.

Describe alternatives you've considered
I've written this small script to set the QT_SCALE_FACTOR variable to 1.3 before the launch, looks much more balanced and convenient:

@echo off
set QT_SCALE_FACTOR=1.3
start "" "C:\Program Files\Cutter-v2.3.4-Windows-x86_64\cutter.exe"

Additional context
Windows. Here's what it looks before and after the fix: